 By 1900, 1910, 1920, we realized we were gonna be able to navigate it. But in the late 19th century, it was really scary as people were pushed from farms and pulled to cities and went to try to figure out how to do new work. And the idea of adolescence that we have, which is different than puberty, right? Puberty is your body going from being a kid to an adult. Adolescence is the identity crisis that is about figuring out what does that mean? And it's not really about puberty. It's partly about hormones.