In your teens, you get the physical puberty, and between 28 and 32, mental puberty. It does make you feel differently.
Our civilization is still in a middle stage, scarcely beast in that it is no longer wholly guided by instinct; scarcely human, in that it is not yet wholly guided by reason.
As the twig is bent the tree inclines.
Puberty was definitely difficult for me.
Post-adolescence reaches usually into the late 30s.
The first decade of your life is really important; it's formative.
The years from about eight to twelve constitute a unique period of human life.
As I began to grow, my family thought my obsessive interest in girly things was just a normal developmental phase.