Science Tells Us Why Girl’s Nipples Get Hard
#1 Sexual Arousal
Perky nipples are a sign of fertility and desire. It's like they're saying, "Hey! Check out how easy I'll be able to breastfeed a baby after you get me pregnant! Do me!"
#2 When It Gets Cold...Goosebumps!
#3 Tiny Tense Muscles
#4 What it All Means...
That hypnotizing little bump under her shirt isn't just from being cold. Here's why girls nipples get hard.