Two kids, or not two kids. That is the question.

To sleep: perchance to dream. Ay, there's the rub.

A short note: this essay touches on research and thinking around the decision to have a second child. But if only it was as easy as simply making a decision. It’s the first step on a long journey: some parents reading this may have wanted a second, but decided against it because of health or financial reasons; others may currently be trying, but for a variety of factors, it hasn’t happened yet. Thinking of any and all of you, and feel free to skip this one if you need to. — Kevin

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Illustration by Tony Johnson

Any couple heading towards marriage—and many others who aren’t—will discover that people love gettin’ up in ya damn business. “When are you going to have kids?” they’ll enquire, going straight for the jugular. Maybe they won’t be so direct, taking the scenic route instead: “You two will make such cute babies,” they’ll wistfully imagine, leaving a pregnant pause—pun absolutely intended—and wait for a response. Woe betide you if they know you’re trying already, as those questions become increasingly more awkward: wondering on bedroom shenanigans—how long? how often?—and what you’ll do if it doesn’t work out.

There’s another avalanche of questions (and judgements) for couples who decide not to have kids. And what about those who have tried, but it hasn’t worked out? With hundreds of reasons why a couple might end up childless—many of them leaving parents in ongoing anguish, and being the absolute last thing they want to talk about, stood waiting at the bar, in the middle of Dave’s 40th birthday party.

Some interrogated parents will end up having a child, and foolishly believe the inquisition will end there. But it’s only getting started. “So … when are you going to start trying for number two?” they’ll ask you both, a barely born baby hanging onto a nipple for dear life, your partner’s body only beginning to get over the herculean¹ effort of spending 9 months turning food into a baby, and then almost single-handedly—with the help of medical professionals, but she will do almost all of the work—bringing said baby into the world. “Are you just going to have one?” they’ll enquire at your child’s second birthday, examining your face for any hint of a clue, the meaning of “just” implicit: something is clearly missing from this family of three, and how dare you cruelly withhold a sibling from this clearly deprived child.

In many ways, the decision to have a second is bigger than the first. Many couples will talk about how many children they want in the early years. But the realities of raising a child may make you question the decision you aligned on earlier. You’re returning to Mount Doom with open eyes, knowing exactly what it takes to overcome its challenges. But whilst one child changes your life significantly at the overall trajectory level, a second child transforms things on daily basis.

You think one kid is hard? You know nothing. Two kids is beyond what you could imagine. It’s relentless. You need to switch from zonal defence to man-on-man. The logic behind the entire universe somehow stops making sense, and 1+1=5. You feel outnumbered, even though it’s 2 vs. 2. There’s always something to deal with. You finally manage to get the little one down for a nap, and you realise that constant hair scratching from the eldest is nits. You finally seem to get a second child onto a regular sleep pattern and the dreaded sleep regression hits with the first. Or you manage to get them to play nicely together, leave the room for 30 seconds, and they’re somehow screaming and at each other’s throats.

You think the second will be easier. How can it not? But the transferable skills are limited, and the insights you uncovered the first time around are lost in the dark recesses of your brain, occasionally reappearing at the moments you least expect; echoes from the past, repeating themselves, a scratched record clicking back into an old groove.

Laura Marie @lmegordon

Having more than one kid is awesome because you figure out all these great tricks to raise the first kid, and then none of them work for the second.

All new parents of a second child will share that quintessential sibling photo: the eldest child holding the baby carefully, both of them blissfully unaware of the drama that will soon unfold. The dream of two kids is that they’ll play nicely together, to love one another forever. The reality is dramatically different, at least for those initial years. The jealousy gets real, real fast, and the street runs both ways. The eldest has to learn how to live as second in command, and when your little bundle of joy and turd gets a bit older, the ever-changing dynamics are ground zero for a constant battle of wills.

Then, after a while, something starts to click. They start playing nicely together. Looking out for each other. The eldest will perform a random act of kindness that will fill you with pride—surely you did something right raising them? You start to see what one friend sobbingly referred to as “the joy of seeing two people—half me, half my partner—showing love to each other.”

A few weeks ago I was putting them to bed. Bodhi didn’t want to go into his cot, instead asking to lie on the top bunk with his sister. So they lay there together for a while, snuggled up like a pair of fox cubs in their den, while I read them a few books. There was a warmth, like the promise of siblings was finally coming to fruition. And they woke up the next morning and resumed the bickering.

A second child provides an experience to revisit your greatest hits of fatherhood. I remember pulling the classic “stealthily fast-forward the current episode to the end, and tell them we are turning it off after this one” trick with Bodhi when he was three. Padme looked at me, Jim Halpert style, incredulous—how dare I!—before I told her it had worked on her until she was at five. And if she wanted to stay up a little longer this evening, and maybe watch something herself, she should learn to KEEP HER DAMN MOUTH SHUT.

Making the decision

When you’re deep in the debate on baby number two there’s a mountain of interlocking aspects to consider. There’s obviously the cost: although a second child is less expensive that the first (due to the sunk costs on housing, transportation, baby things, and discounts in childcare and schooling) there’s still a serious financial impact. According to the USDA, you can expect to pay around $25,108 a year for a toddler, while a toddler and an infant will set you back $39,540 per annum. And a looming recession, increasing inflation and rising costs of living are leading many families to shelve their desire for a second. Your current setup might need to change—upsizing to a bigger house; the slow, inexorable march towards minivan ownership—which will come with a weighty impact on whatever is left in the bank. Your experience with your first will play heavily in your decision—if there were problems conceiving, during the birth, or complications afterwards, there will be an understandable reluctance to go through it again. For those going down the traditional conception route, the health of the mother will be a point of discussion, as will her willingness to give up her body to a small human for at least another year, if not more. There’s also the biological clock question—more pressing for women than men, clearly—that delivers an extra level of pressure, because “if we don’t do it now, we might miss the chance forever.”

You might find yourself asking how your first child is going to feel about it—an issue that increases in complexity as the age gap between potential siblings grows. And roll into all of this the pressure from family, friends and society—I recall when we were contemplating this ourselves, it seemed our friends with two weren’t suggesting it for our own benefit, but more eager we come join them in their collective misery. (When male and female friends with more than one kid heard I was writing this essay, this most common answer was to laugh and jokingly say “don’t do it!”) Proximity to family will also factor heavily—if doing it without easy access to help is tough with one, then doing the same with two is akin to finishing Dark Souls with a Guitar Hero controller. We’re only scratching the surface here, with dozens more factors that play a role—studies have shown that even changes in car seat laws will have an impact on whether a family decides to have more children.

It’s not a decision to be taken lightly. Surely the reams of research out there that can help us make this decision? Oh, foolish reader, if only it were that simple. The findings are as inconsistent as whatever your child will eat for dinner this week.

Multiple studies have found that having even one child will reduce your quality of life, but increase your sense of meaning. That much seems locked in. One study from 2005 found that a second child had a negative effect on well-being for mums, but no effect for dads, although I’d wager the changes in fatherhood norms over the preceding two decades would show more of an impact on men if the same study was run today. One fascinating study from 2016 that confirms this hunch put participants into three family models: Traditional, where the parents endorse a male-breadwinner model; Modern, with a dual-earning system and a more equal split of responsibilities across gender; and Mixed, which makes up the majority of the population. This study again found that a second child has little positive impact on life satisfaction for mums, but a significant gain in life satisfaction for dads—although dads in the Modern family models don’t see as large an increase as those in the Traditional setups, due to the increased workload that they too had to carry.

And the effect on the parents? Studies have shown that even one child reduces “marital satisfaction” and there is “a significant negative correlation between marital satisfaction and number of children”—a hit that only begins to recover once the children leave home. Dan Gilbert, Harvard professor and happiness expert, once said "The only symptom of empty nest syndrome is nonstop smiling.” A rare pan-European study from 2014 showed a second child will increase the level of happiness for both parents, while a third will cause it to decline. More children "will significantly increase the level of stress that parents face” was the conclusion of this study from 1970, to which any parent reading this with more than one child will reply “well, duh.” And recent data reconfirm this, with additional insight that the majority of the stress is born by the mother, to which any woman reading (with or without children) will reply “well, duh,” once again.

What about the happiness of the children themselves? The results are once again all over the place: whilst one UK-based study clearly states the fewer siblings children have, the happier they are—and only children are the happiest, another piece of research found that having a sibling increases child happiness—especially if the sibling is a sister. A Swedish study found that satisfaction with sibling relationships was a key driver of health and happiness in later life—more so than friendships or adult children.

And if you decide to have more, where should you stop? When it comes to society’s overall attitude to larger families, the times they are a’changing. Back in 1976, 40% of US women aged 40+ had 4 or more kids. Today that number has dropped to 15%. The giant family is becoming a thing of the past. But the stigma of the “only child” still runs deep—a 2015 survey by Gallup had 48% of Americans saying two is the ideal number of children in a family, with only 3% opting for one.

I’ve always believed that too many children means "whatever you have + 1". Families with one kid see friends with two and wonder how the hell they do it. Families with two say "it's tough, but at least we don't have three". Families with three look strangely at a family of four trying to squeeze into a car.

Bryan Caplan, author of Selfish Reasons to Have More Kids said the optimum number of kids is four, which is conveniently how many he has. I'd say the optimum number is two, although there were times during lockdown I might have suggestsed a number closer to zero. For those who opt for more, there seems to be a moment where things get easier, if only mentally. Dr. Janet Taylor, a psychiatrist in New York, with four kids herself, once said "There’s just not enough space in your head for perfectionism when you get to four or more kids. It's just about survival"

So cute. So naive as to how much her world was going to change.

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The research is inconsistent at best, and outright contradictory at worst. But whilst there’s precedent for stopping at one—Speed 2: Cruise Control and Teen Wolf Too spring to mind—sometimes the second can be even better. Deciding to go for another gave the world The Empire Strikes Back, The Dark Knight and The Bends. And where would we be if Mr and Mrs Hemsworth decided to stop having kids after just one?! Thor-less and sad. That’s where.

We spent a long time debating a second. We did what everyone seems to do—made a list of pros and cons, thought long and hard about the impact another child would have in our life, considered if we were ready to do it all again. In the end, the thing that clinched it for me was a simple insight: every reason to not do it felt selfish—having to do another round of sleepless nights, thousands more nappies, forgoing spare time to spend on my own hobbies; whilst the reasons to do it felt if not altruistic, then something close—a sibling for Padme, someone she could grow up with. “The first one is for you; the second one is for them,” a close friend shared, just as I was putting the finishing touches on this essay. We talked about how siblings support each other—yesterday, today, and tomorrow. If life goes according to plan, and our parents pass before we do, who better to help you carry the weight and work through the grief than someone who knew them just as well as you?

Having another kid is a huge decision. And it’s one only you and your partner can make. My wife and I constantly looped back to the vast unknowns of having a second. Would we be able to get pregnant again, and would everything go OK with the birth? And beyond that, what would the second baby be like? We were very lucky with our first—conception and birth roughly according to plan; a happy, relatively chilled baby; with no major medical issues along the way. If we were to roll the dice again, what might happen? And would we be ready for it?

A second child is hard work, and the impact it will have on your life is momentous—dealing with the fallout of my second broke me, but I’m happier than ever with the person that was put back together. Nothing, especially not a 3,000-word essay in a weekly newsletter, will prepare you for the trials a second will throw at you. But through it all I haven’t regretted it for a moment. Bodhi is one of the funniest human beings I have ever met, and brings a smile to my face everyday.

As I was trying to write this essay, he decided he wanted to play a game with Padme called “Pito Invasion.” For those unfamiliar with Spanish, “pito” is the word for a small flute, but it’s also slang for what a little boy will call his penis. His idea of a good time—and Padme’s too—was to run around the house naked, waving his willy around. Not what I’d have once imagined would be a highlight of a second child. Yet here we are. And I wouldn’t even dream of changing it.

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Over to you …

I’ve been working on this for a while (the revision history for the essay says it started it back in September 2021) so as I was getting it finished I asked you all “how many kids do you have, and how many would you like?” Thank you for sharing your insights—hopefully, these nuggets of wisdom will help others deep in decision mode.

Always a difficult subject for me although I don't know of many couples that survived a second kid. Hope you have a little word about us who wanted a few more (even just one more) but for various reasons (in my case: wife's health and her lack of interest) had to give up on that idea. Foster or adoption are possible avenues to explore in some cases. Paul

Two for us. We both grew up as the odd one out of three (I have two sisters, my has two brothers) and while we're close with our siblings, we're not close like our friends with one sibling are. When I was younger I wanted three but actually parenting put paid to that. Matthew

As one of 3, my relationship with my older brother has been such a rollercoaster—at times dangerous and traumatic—that I automatically felt I’d never want to inflict a lifelong relationship on our daughter that wasn’t her parents. My wife is an only child, as are my parents… so I don’t think they are the sociopaths that society makes them seem. And my wife has had to witness her mother and auntie at their throats for 30 years. I don’t think another child is either affordable or more importantly desirable for us, but I’d love to move past the negative association I have about raising siblings … so really keen to hear from parents with 2+ kids who may have worked through similar issues. Ivor

Two and done (barring any surprises). We went into parenthood thinking 3–5 was the size we wanted as we both come from large(r) families. We joked we wanted enough kids so people don't invite us places. But #2 came along with some health difficulties in her first year+. Also, somewhat surprisingly, my wife isn't a fan of 37 weeks of nausea. Then COVID killed it for good, and more is no more. Andrew

We have two, and had always planned for four (I’d be happy with more, as a youngest of 7 myself, but 5 is a stretch for my wife). However, my wife got a diagnosis that means it’s dangerous for her to get pregnant, so we’re done making kids ourselves. We did get a minivan when #2 was on the way, so we’re hoping to foster/adopt some kids at some point to fill it up. Kids are the best, and I’m not intimidated by having more kids than parents - sounds like a blast! Michael

Have: two; want: one. I kid I kid (pun intended)! Two feels like the perfect number for us, otherwise we’re playing zone/prevent defense and that never works out. We will never get a minivan, but we do have the equivalent for two kids: a “gently used” Subaru Outback. My wife, who doesn’t have a license, calls it “a safe, reliable family car” so I’ll take it. Jeremy

We’ve presently got just the one, but are eager to justify trying for a second. We don't feel 'settled' enough as adults to justify having another; financial stability, life direction, etc. And haven’t done since we had our first almost nine years back.

But we both have valued our relationships to our siblings enough that we'd like to give our first someone else to have in their life decades from now. That said, the age gap would be effectively a decade, so there's some concern about what their relationship would look like at various stages of life. Then there's also the notion of doing the first ten years of parenting over again, when we're both a decade older. JD

My wife put her foot down after one, which seemed sad at the time, but now I am deeply thankful for it. One seems perfect. Rick

We had five for the last nine months or so, but two just reunified with their biological family last weekend (always bittersweet). So we're back down to three and definitely going to take a break for a little. It has been harder than I could have even imagined. So, right now everything is way future, but we've talked about one more biological kid and maybe reopening for foster care after our oldest graduates. Troy

Have: two; want: one. I kid I kid (pun intended)! Two feels like the perfect number for us, otherwise we’re playing zone/prevent defense and that never works out. We will never get a minivan, but we do have the equivalent for two kids: a “gently used” Subaru Outback. My wife, who doesn’t have a license, calls it “a safe, reliable family car” so I’ll take it. Jeremy

Three and at first it felt like we were non-swimmers who found themselves in the deepest part of the Ocean. With kids , I think 2+1 makes 10 really. Now we feel much better , it’s much better now she’s older and pure joy to watch with her siblings. Happy and hopeful they will be there for each other as I and my siblings. Lise

Just the one for us; and he came after a number of years of trying naturally before having to turn to IVF, mid-pandemic. The twists didn’t end there, he arrived 9 weeks premature and had to spend 4 weeks in the intensive care unit at the hospital. We’ve gone back and forth on the idea of having a second, but after the events with our first, it’s a daunting proposition. Dave

I went from one to three with the birth of twins (now 16 months old). My sister has four. We discussed the step changes in difficulty, and decided that it's a power law.

• One child, difficulty level 1. Great job, you're a parent!

• Two children, difficulty level 4. You've levelled up, but things just got a lot harder!

• Three children, difficulty level 9.

• Four children, difficulty 16 (hard mode!)

• Five children, difficulty 25; too many, get help!! Joseph

We have one, Violet, and that will be it. Sometimes it makes me so sad; when we are reading at bedtime, I tell her the other children in the books are cousins; I am not ready for her to ask and have to explain she won't have brothers and sisters. I had four, and looking back, it was brilliant (if crowded). But it has been too hard: older parents, miscarriages, traumatic birth, pandemic and postnatal depression for 2 years, which means neither of us wants to have a second, we are just too bruised. Anyway, Violet has loads of cousins, which will have to be enough. It did make me almost cry when the clinic wrote to ask what we wanted them to do with the other embryo. I ignored the letter and hope I can deal with it next year (not very grown-up). Chris

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4 things to read about second kids and siblings

1. “What Number of Kids Makes Parents Happiest?” by Joe Pinsker in The Atlantic. In this essay Pinsker talks to a variety of authors and experts (some of whom are included above) about how many kids are the right amount. “What’s optimal, then, depends on age, life stage, and family makeup—in other words, things that are subject to change. While being the parent of a young child may not seem to maximize happiness, parenthood may be more enjoyable years down the line.”

2. “What If I Just Don’t Want To Have A Second Baby Anymore?” by Carlo Ciccone in Romper. A look at things from mum’s point of view, 18 months into the pandemic, as Ciccone wonders if “stay-at-home orders, winter blues, isolation, languishing, depression, anxiety, a recent ADHD diagnosis, and having very little time or energy” have left her feeling “Fundamentally changed. I love my little family of three and I might not want to add to it.”

3. “Working Mums Reveal Their Struggles Over Having A Second Kid” by Elizabeth Segran in Fast Company. Returning to work has long played a role in the decision for women to have (or not have) a second child. But with modern fatherhood meaning more stay-at-home fathers and equal co-parents, we’re likely to see some of these themes reflected in a male audience too. “I ask myself how this is going to affect my life, my marriage, my son […] You need to think of it a little selfishly too, because you don’t want any resentment creeping in on you later on. That’s not fair to your child, either.”

4. “Only Children Are Not Doomed” by Emily Oster in The New York Times. Oster, founder of ParentData, and recent Time 100 recipient debunks some myths around the only child. “It would seem that siblings do not have a large impact on most characteristics we can measure. In the end, neither the deprived younger sibling idea nor the awkward only child one hold much water. Parents argue about these ideas across the internet, saying that having or lacking siblings is key to making your child the best they can be. The evidence disagrees. Your decision about how many children to have should be just that: your decision about what works best for your family.”

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Good Dadvice

A Father’s Day Special

Maybe: Jacoby @Getthebagcoach

This is Grade A High Quality Father’s Day content …. shoutout to all the fathers

Ben Rosen @ben_rosen

for father’s day they’re letting all the dads show up to the airport as early as they want. this guy next to me isn’t flying until thursday

Adriana Porter Felt @__apf__

overheard a teenaged girl ask her dad to explain what started World War II. he tried to play it cool but I could see it in his eyes, this was the moment he'd been waiting for for fifteen years

inspector ratchet @_hood_mona_lisa

Got this game for my dad for Father's day! He hates it!

mdunc11 @mdunc11

@_noahzim_ my 3 year old decided she would draw a picture of me. she decided it should be correct and show my vagina. my wife advised that boys have a penis, not a vagina. so the 3 year old drew an adorable picture of me with my penis for father's day

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1. Surely there’s a better word to refer to the many instances where women go through superhuman efforts?