American Psychological Association Jun 26 2026 Reviewed As young adults, many millennials feared growing up more than past generations. But they've come around to it as they age, finds research published by the American Psychological Association. The study, published in the journal Developmental Psychology , examined how "maturity fears" – the fear of growing up and desire to return to the safety of childhood – changed among college students between 1982 and 2002, and then among those same