On Boys Podcast

Modern male puberty starts sooner than you think. Boys today may enter puberty as early as age nine. That’s why your 10-year-old’s mood swings might actually be linked to these new hormonal shifts. As Cara Natterson and Vanessa Kroll Bennett point out in their book, This Is So Awkward: Modern Puberty Explained, the first sign of puberty often comes with a slamming door.Why Parents Miss the First SignsMany parents aren’t ready for male puberty. Early physical changes can be subtle, and they usually appear just as boys begin seeking more privacy. According to Vanessa, it’s entirely possible you won’t notice the initial stages of puberty until your son’s behavior shifts dramatically.When Your 10-Year-Old Acts More Like a TeenPuberty hormones—mainly testosterone—don’t just change bodies; they shape moods, too. Sudden spikes are associated with outbursts and that well-known “swing to silence” so many adolescent boys display. Pediatrician Cara Natterson explains these hormone surges can escalate and crash within ho