Depends how you define each. Is an evil man a boy? Is a good boy a man? Shall we get medical and technical? Too many emotionally charged terms to figure out what you are asking.
Big boy hair? Oo
On how we decide things, maturity shows!
When he can stand on his own with him and his God.....
Experience, I had to become a man at a very young age and earn money to help support my family. Learned to drive at 10 on my grandparents farm
he would rather romance you first than sleep with you first. he knows how to treat a girl right. and much more that ill leave for other people to post.
The price of our toys ;-)