Being very overweight would cause sagging, but it's hard to tell without seeing you or knowing your height and weight.
obesity
if your guineapig has nipples means it still is a boy.
It can be due to trauma or infection.
why would you want your nipples bigger anyways?
Boy guinea pigs don't have nipples.
darker nipples
My nipples only stick out in the cold. try rubbing ice on them and see if they stick out.
Nothing, other than he likes that fashion statement of sagging.
no it is not
Nothing comes out f them.
its because when you are a zygote then you can either be a boy or a girl so the nipples develop anyway
It could be puberty.
Harry Styles