you are becoming a woman.
Your boobies are growing
Well HELLO! why wouldn't they? Mammals have nipples.
her nipples
I have never seen any reports about this happening before.
because they are growing.
your tomato is growing a larynx, feed it your nipples
I am very sorry to tell you but you do have breast cancer.
Women's nipples only get hard when their horney.
If your nipples hurt or you have tender breasts it just means that your boobs are growing and you are getting ready to start your period or have your next period, in other words it is perfectly normal.
Either your breasts are growing, you're going to get your period soon, or you're pregnant.
A girl's nipples will grow as she does, but when she's done growing, her nipples are too. No amount of suction or massaging will make them grow.
I am ravi. and i think you are getting young thats why. Or you should rub your nipples by butter then it will not each again.