If you keep overcommitting your future time, psychology says it’s not poor boundaries — we systematically believe we’ll have more free time in a month than we do today, and the belief never updates no matter how many times it’s wrong

In March, you bought tickets for a Broadway show in May.

Good seats, not cheap. You booked the restaurant beforehand, the one that needs six weeks’ notice, and you told two people about it, and one of them said they were jealous.

And it was a good night while you were planning it. You worked out the train, and where to park if you drove instead, and whether there was time for a drink between dinner and the curtain.

You looked up the running time. You thought about what you’d wear.

You were not being reckless. You looked at May, you saw that May was open, and you said yes to something you wanted.

Then May arrives. Something is wrong at work, and it’s the kind of wrong that doesn’t resolve by five o’clock. Somebody’s sick. There’s a thing on Saturday you’ve already agreed to and haven’t prepared for.

And the tickets are on the counter, and you look at them the way you’d look at a bill.

You still go. You have a decent time, mostly, and you’re tired throughout, and you leave before the last encore because of the parking.

The person who bought those tickets and the person holding them were not working with the same information, and only one of them knew it.

Nothing has filled that week yet

Look at any week far enough out, and it will be emptier than the one you’re in. That’s what the calendar says, and the calendar isn’t being optimistic.

Because a calendar shows you what has already been scheduled, and almost nothing that wrecks a week gets scheduled. The audit wasn’t on there. Neither was the car, or the argument, or the four days your kid was home from school.

Those things arrived without warning, took the week apart, and were completely invisible from six weeks out for the simple reason that they hadn’t happened yet.

So when you looked at May, you weren’t imagining a fantasy version of your life. You were looking at an accurate record of everything known at that moment, which was: a dentist appointment and nothing else.

The mistake isn’t the looking. It’s treating what’s on there as what’s coming.

You’re measuring time wrong

Two researchers, Gal Zauberman and John Lynch, spent seven experiments on this and gave the thing a name.

What they were after was slack: the surplus of a resource you think you’ll have spare when the moment comes.

And they found that people consistently expect more of that surplus later than they have now. Not occasionally. As a rule.

Which sounds like a general failure to predict anything, until you look at the other half of what they tested.

People do this with time. They don’t do it with money.

Nobody looks at a purchase six weeks out and thinks I’ll be richer by then, it’ll be fine. If you can’t afford something now, you assume you can’t afford it in May either, and you’re usually right.

Same person. Same six weeks. Accurate about one resource, badly off about the other.

The reason is that money behaves predictably. Barring a new job or a new baby, what comes in and what goes out looks in May roughly like it looks now, and everyone knows that about themselves.

Time doesn’t hold still like that. What eats a week is different every week, and it’s that variability that breaks the estimate.

Why twenty years of being wrong doesn’t help

By rights this should correct itself. You get burned at thirty, and again at thirty-four, and by forty you’ve built a rule: whatever the calendar says, assume the week will be full.

That rule never forms, and there’s a specific reason it doesn’t.

Every crushed week comes with its own alibi. This one was the audit. The one before that was your mother’s hip. The one before that was a leaking dishwasher and a deadline that moved.

Each of those is a real, particular, one-off explanation, and each of them is true. So the lesson filed away is always that week was unusual, because of the audit. Never my weeks are always full.

Which means the specific thing that ruined your week feels irrelevant to May, because the audit won’t be happening in May. And it won’t be. Something else will.

The researchers put it plainly. Because people spend their time in irregular ways, they never learn from experience that the total demand stays about the same.

They watch the contents change and miss that the volume doesn’t.

Twenty years of evidence, filed twenty separate times, never once added up.

It isn’t a boundaries problem

Which is why the usual advice bounces off.

You’ve been told to protect your time, to get comfortable disappointing people, to practice saying no. All of that assumes you know the true price of the thing and are agreeing anyway, out of guilt or wanting to be liked.

Sometimes that’s what’s happening. Often it isn’t.

When you said yes in March, you weren’t overriding your own judgment. Your judgment told you the week was clear, and you believed it, because you had no reason not to.

That’s an estimating error, not a nerve problem. Saying no more often doesn’t fix a number that was wrong when you wrote it down.

Zauberman and Lynch found the gap sitting right there in the open. Ask somebody to do something next month, and they say yes. Ask them to do the identical thing starting tomorrow, and they say no.

Same person, same request, and nothing changed but the date.

The commitments worth keeping anyway

This isn’t an argument for an empty calendar.

A person who says no to everything far away on the grounds that they’ll be tired has solved the problem by removing the good part of their life.

That’s the same misjudgment in a smaller size, facing the other way.

The distinction worth making is what the yes is for.

Hara Estroff Marano, writing up this research for Psychology Today, drew the line where it belongs. Most future commitments aren’t opportunities. They’re small things done for momentary approval: the favor, the committee, the coffee with somebody who wants something.

Those arrive as a tax and leave nothing behind.

The Broadway show is not that. You’ll be tired at the show, and you’ll remember the show. Being swamped and going anyway is the correct answer for a thing you’ll still be thinking about in a year.

The problem was never that you said yes to the tickets. It’s that you also said yes to eleven other things, on the same false reading of the same empty week.

The one question that works

One move helps, and it works because it goes at the error itself instead of your character.

Before you answer yes or no, ask whether you’d do it if it were tomorrow morning.

Not whether you want to. Not whether it’s a good idea in principle. Whether, with this week’s real load sitting on you, you would agree to it starting in fourteen hours.

That drags the request out of the abstract and puts it next to a week you can see. Tomorrow you know about. Tomorrow has the audit in it.

The answer will surprise you often enough to be worth the two seconds, and when it comes back yes anyway, you can book the good seats without arguing with yourself about it later.