Research in psychological resilience suggests this kind of adaptation is a capacity that develops in response to adversity, not in the absence of it. Resilience isn't a factory setting. It's forged under heat. The person who seems unbothered at the dinner party, who shrugs off criticism with genuine ease, who doesn't need to win the argument: they almost always went through a chapter where they cared so deeply about someone else's opinion that it warped the shape of their days.