In the 1990s, Harvard researchers asked people a simple question: Would you rather earn 50,000 a year when everyone around you earns 25,000, or earn 100,000 a year when everyone around you earns 200,000?

Most people chose the first option. They would accept half the income — in absolute terms, in purchasing power, in nearly every measurable way — just to feel relatively ahead.

That finding should haunt you a little.

There is a neighbourhood outside of Houston where the median household income is over 400,000 a year. It is, by any historical or global standard, a place of extraordinary wealth. And yet, according to surveys of residents in similar enclaves, it is also a place where people reliably report feeling financially stressed. Not behind. Stressed.

The reason isn't complicated. Their neighbours own nicer boats.

This is the trap that almost no one sees coming, because almost no one is thinking about it consciously. Nobody sits down and decides, "I will measure my wealth against the people around me and make myself miserable." It just happens. Slowly. Quietly. The same way you don't notice a room getting darker until someone turns on a light.

You get a raise and feel great for about three weeks. Then you notice your colleague got promoted. You buy a house and feel proud. Then your brother-in-law remodels his kitchen. You retire with 3 million and feel secure. Then your friend retires with 5 million. Each time, the goalpost moved. Each time, you barely noticed it was moving.

The psychologist Philip Brickman called this the hedonic treadmill. You run hard, you make progress, you feel momentarily better — and then the treadmill speeds up. The finish line isn't a fixed point. It's wherever the people you're watching happen to be standing.

Here is what makes this particularly cruel for investors: the people you're comparing yourself to are not a stable reference point. They change based on your proximity, your profession, your media diet, and your own ambitions.

When your portfolio was at 100,000, you felt okay. When it hit 500,000, you started reading wealthier newsletters and following wealthier accounts. Now your comparison group has quietly upgraded. The 500,000 that would have felt like a victory at the starting line feels like a consolation prize at the finish. You didn't make a worse decision. You just updated the benchmark.

Markets are good at this, too. Bull markets produce visible winners. The person who made 40% last year is not shy about it. So the person who made 12% — which is, historically, a very good year — feels like they underperformed. Technically they didn't. Relative to the loudest voices they know? They did.

The result is that people take more risk, chase returns, and abandon sound strategy not because the strategy stopped working, but because someone else's flashier strategy got more attention. They swap a reliable vehicle for a faster one and crash.

The antidote is almost embarrassingly simple to say and almost impossibly hard to do: choose your benchmark deliberately.

If you measure against your neighbours, your coworkers, the highlight reel on your phone, you will lose. The sample always contains people who got lucky. The sample always contains people who are better off than you. There is no version of this game where you stay ahead forever.

But if you measure against yourself — against where you were five years ago, against what you needed rather than what someone else has — something strange happens. The math starts to work in your favour. Progress becomes visible. The treadmill slows down.

Warren Buffett likes to say that his benchmark is whether he's doing better than he did the year before, not whether he's beating some index. That's not false modesty. It's a structural choice about what he's optimizing for. He picked a race he could actually run.

The Harvard researchers' finding wasn't just about money. It was about something more fundamental: what we're actually trying to buy.

Most people, if pressed, would say they want security. Comfort. Freedom from worry. A life that feels, on balance, good.

But the comparison game delivers none of that. It delivers a moving target dressed up as a destination.

The unhappiest rich people in the world are rich by almost any reasonable measure. What they lack isn't money. It's a finish line they chose for themselves.

That distinction is the whole ballgame.

The Unhappiest Rich People in the World

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