hedonic adaptation, n.Definitions

Hedonic adaptation (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠why lottery winners end up about as happy as before: the new Ferrari soon feels like the old rusted pickup.