Oddly enough, or not, 13 is also around the time where kids start puberty. It's not just a physical change, but also a time where kids are most impressionable.

Oddly enough, or not, 13 is also around the time where kids start puberty. It's not just a physical change, but also a time where kids are most impressionable. The "kids toys" get put away and they stop behaving like a child, because they are old enough to understand certain things. In short, they are becoming little adults.