How do you know if you are dating a man child?

10 Signs Youre Dating A ManchildHes got zero motivation or ambition. He cares a LOT about his friends opinions. His ego is outta control. He gets jealous over anything and everything. He cancels on plans. He doesnt take the blame for anything. Hes lazy af in bed.More items •25 May 2017

When do guys stop going through puberty?

The growth spurt in boys is the peak of growth during adolescence. It follows the beginning of puberty, typically starting around age 14 or 15 and ends around age 17 or 18. Its an intensive three years! Of course, every boy is different.