Why do men have nipples?!

Why do men have nipples?

i know the answer but i want to see how many of yall do!!!

All babies develop start off as female (in the embryonic stage). Males only develop 'male' features later in development because of the "Y" chromosome. What would become the labia instead fuses together to become the scrotum and what starts off as the clitoris elongates and develps into a penis instead. The nipples don't change at all and they only begin to change in females during puberty when estrogen causes them to develop further into full breasts. Estrogen and Progesterone causes the breasts to lactate during/after pregnancy. Since testosterone is the dominant hormone in males the breasts never really grow larger and they become more muscular (pecks) instead.