So when, exactly, does adolescence start? The message to send your kid is: Everybody’s different. There are early bloomers, late arrivers, speedy developers, and slow-but-steady growers. In other words, there’s a wide range of what’s considered normal.
But it’s important to make a (somewhat artificial) distinction between puberty and adolescence. Most of us think of puberty as the development of adult sexual characteristics: breasts, menstrual periods, pubic hair, and facial hair. These are certainly the most visible signs of puberty and impending adulthood,
but kids who are showing physical changes (between the ages of 8 and 14 or so) also can be going through a bunch of changes that aren’t readily seen from the outside. These are the changes of adolescence.
Many kids announce the onset of adolescence with a dramatic change in behavior around their parents. They’re starting to separate from Mom and Dad and to become more independent. At the same time, kids this age are increasingly aware of how others, especially their peers, see them and are desperately trying to fit in.
Their peers often become much more important, as compared with their parents, in terms of making decisions.
Kids often start “trying on” different looks and identities, and they become very aware of how they differ from their peers, which can result in episodes of distress and conflict with parents.