If you walk into any bookshop today and look at the parenting section, you’ll find hundreds of books telling you how to do it. Some argue for firmer discipline. Some argue for gentler responsiveness. Some argue for structure. Some argue for freedom. The specific advice varies wildly. But almost every book, from every school of thought, spends most of its pages telling you how to handle the things you do with your child. What you say. How you set limits. How you respond to tantrums. How you praise. How you discipline.
Very few of them warn you about the thing parents actually regret at the end of their lives.
The reason is that the thing parents actually regret isn’t a discipline choice. It isn’t a technique. It isn’t something a book could have coached you through better. It’s something much smaller, much more mundane, and much harder to catch in the moment. And on the actual research into what parents say when they’re old enough to look back at everything they did and didn’t do, it’s the thing that comes up more consistently than any other.
What the elders actually said
Karl Pillemer is a gerontologist at Cornell. Over the course of several years, he interviewed more than 1,500 older Americans, most of them in their seventies, eighties, and nineties, as part of what he called the Legacy Project. His question to them was simple. What are the most important lessons you’ve learned over the course of your life? He asked in-depth follow-up questions across every major area of life: marriage, work, aging, and, importantly for our purposes, parenting.
When he compiled the answers, the parenting section produced a specific pattern that surprised him. The elders had opinions about discipline, favouritism, physical punishment, all the standard topics. But when he asked them what they most regretted about how they’d raised their children, almost none of them said “I was too strict” or “I was too soft.” That specific frame, which dominates modern parenting discourse, didn’t dominate their reflection at all.
What they said, over and over, in different words, was some version of this: I regret not spending enough time with them.
Not time in the sense of hours logged. Time in the sense of actual mental presence. Time when the child was the whole point of the room, not something being managed while you did something else. Time when you weren’t distracted, working, worrying about the future, half-attending to whatever else was pulling at you. Time when they were, in the deepest sense, seen.
The elders in Pillemer’s study weren’t vague about what they’d got wrong. They were, in most cases, remarkably specific. They could remember individual moments. The school play they’d missed. The evening they’d spent at the office instead of at bath time. The years when the child was seven or eight or nine when they’d been more focused on the mortgage than on the child in front of them. Those moments, most of the elders said, were the ones that came back at the end. Not the discipline choices. Not the strictness or the softness. The absence.
If any of this is landing, we came across a video that details the quiet patterns that research and therapists consistently link to adult children pulling away, most of which are still reversible if you catch them early.
Click here to watch the video.
Why parenting books don’t warn you about this
Which is a strange thing to notice, when you sit with it.
The parenting book industry is built almost entirely around the choices you can articulate. Firmness versus warmth. Structure versus freedom. Boundaries versus responsiveness. These are things you can write chapters about, because they’re identifiable decisions with visible consequences in the child’s behaviour. You can measure whether you’re being firm. You can watch the tantrum happen and adjust.
But you can’t easily measure whether you were mentally present at bath time three years ago. You can’t watch the specific costs of divided attention accumulating in a small child who is talking to you while you check your phone. The daily texture of parental attention doesn’t produce visible outcomes in the way discipline does. It just produces, decades later, the specific memory of not having been there.
That’s the piece the books can’t teach you.
The broader psychology of regret
There’s a broader psychological finding that fits this specific pattern. In a widely cited 1994 paper by Thomas Gilovich and Victoria Medvec in the Journal of Personality and Social Psychology, the researchers examined what people actually regret when they look back on their lives. Their finding, replicated many times since, was that regrets have a specific temporal shape. In the short term, people regret their actions. The stupid thing they said at the dinner party. The wrong turn they took at work. The choice they made that turned out badly. But over the long term, actions fade in importance. And what comes to dominate the long view of a life isn’t the actions. It’s the inactions. The things people didn’t do. The chances they didn’t take. The moments they let pass without acting.
The pattern, examined most recently in a 2023 large-scale public replication study on PMC, holds up. Over time, what haunts us isn’t what we did wrong. It’s what we didn’t do at all.
Put in the context of Pillemer’s parenting research, this produces the specific finding of this article. The elders weren’t regretting their actions. They weren’t regretting the moments they raised their voice, or set a rule too firmly, or gave in when they shouldn’t have. Those things had faded. What was still there, forty years later, was the absence. The bath they didn’t take. The story they didn’t read. The football match they didn’t turn up for. The evenings they didn’t stop what they were doing and just be there.
I want to be careful here, because this finding can land heavily on parents reading it in the middle of their own lives. If you’re a parent right now, and any of this rings true, please read the next sentence carefully. Nobody, in Pillemer’s study or anywhere else, is telling you that you have already made an irreversible mistake. The research isn’t a verdict on any parent’s past. It’s a description of what old people wish they had known earlier. If you’re reading it while your children are still small, still teenagers, still young adults, still around, then the actual finding is that you have time to do what those elders wished they had done. Not more discipline. Not more technique. Just more presence. Whenever you can manage it. The small moments count.
What this looks like in practice
The elders in Pillemer’s study, when asked what they wished they had done differently, kept returning to specific concrete acts of presence. Sitting down to eat dinner without a screen or a book or a distraction. Actually watching the child when they said “look at me” instead of glancing up briefly. Turning towards the child when they walked in the room rather than continuing what you were doing. Asking about the day and then, crucially, listening to the answer. Reading a bedtime story slowly. Playing the game the child wanted to play, at the pace the child wanted to play it.
None of it was dramatic. None of it required particular skill. What it required, and what the elders said they had struggled to give, was the specific mental discipline of putting the child at the centre of the moment. Of treating the child, in the moment they were in front of you, as the point.
That’s the thing.
The specific thing that most elders in Pillemer’s research, having watched their entire lives play out, would go back and tell their younger selves to do.
Not be gentler. Not be firmer.
Just be there.
Which, in some ways, is a lower bar than most parenting books suggest. And in other ways, a much higher one.
Lower, because it doesn’t require you to master a technique or read a book or optimise a system.
Higher, because it requires the specific hard thing of pulling attention away from every other thing that wants it and giving it to the child.
The parenting industry can’t sell that easily. But the elders, when they looked back, agreed it was the piece that mattered most.
And, uniquely among the things parents can worry about, it isn’t too late to start.