To be able to survive during winter hunting in the forest.
yes a boy will grow hair
At puberty.
Puberty
puberty.....
The pubic hair grow during puberty. Hair in under arms is also common. Also body hair become a bit thicker.
About 1-2 years after you start puberty, you start to grow hair under your arms and around your genitals.
Reach puberty.
puberty
yes it does when you hit puberty.
When you are in puberty
you have to hit puberty
You get pit hair around almost the middle of your puberty