Hedonic adaptation.
In plain English
Hedonic adaptation is the tendency to drift back to a personal baseline of satisfaction after both good and bad events. Brickman, Coates, and Janoff-Bulman studied it in 1978, finding that lottery winners were not meaningfully happier than comparison groups and took less pleasure from ordinary events. In money terms, the new car or bigger paycheck lifts your mood, then becomes the normal you barely notice, which is why chasing happiness through steadily larger purchases tends to disappoint and to ratchet spending upward.
01Why it matters
If gains fade to baseline, spending more and more to stay happy is a treadmill, so understanding hedonic adaptation reframes how much a purchase or raise will actually add to lasting well-being.
02The math, step by step
A raise makes the first paychecks feel great, then the higher income becomes the new normal and the glow is gone, often with lifestyle expanded to match. The lottery-winner finding is the extreme version: even a huge windfall settles back toward the person's baseline.
03What this is NOT
It is not the claim that money does not matter. Escaping hardship clearly helps. Hedonic adaptation is about the fading of the boost from each additional gain once basics are met, not proof that income is irrelevant to well-being.
04Receipts
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