ugh. maybe your just cold sometimes the cold makes them stand out
A female dog's nipples get bigger when she is pregnant because the puppies can more easily get ahold of bigger nipples to nurse from their mother, plus milk collects in the body of the mother and that makes the area bigger.
Rubbing the nipples or licking them, or having sex or masturbating makes the nipples stiff.
rub ice on it
Tickling th nervous system...
temperature - cold makes this happen
The distribution of pigment makes the skin tougher.
Of course not. What makes you think that? Only women (Including Britney Spears) have only two nipples.
because it makes her nipples hard.
It makes them fell seduced and i like it to