Quote:
Originally Posted by Red  Male nipples
They're like appendixes, completely useless. Mice and rat males don't have nipples. Why do men still have nipples? That ♥♥♥♥ should have been gone long ago. |
They exist because during early development within the womb people are neither sex yet, and develop that causes males to have nipples. Development starts with you as a female, sex is determined later.