How to make nipples hard?

well my nipples get hard all the time... but im not horny they just get hard does anyone know why?

I was just wondering what kind of pills are there to make you cum more?

my boyfriend gets hard when we make out, but how can I make him hard on purpose? when he is, he is more aggressive in a great...

Why is so hard to find s good?

How do I make a girl cum?

okay first of all we're not with each other right now... I just want to say some stuff thatll make him hard lol...

Is rubbing the nipples supposed to make you horny?! .. like someone else rubs them, not yourself.

I can make myself squirt but my boyfriend has only made me squirt once and I don't know why its so hard for me to let him do ...

how should I make a move and grab my girlfriend boobs while we are making out

I used to give him head and hed be like done in the matter of 5 minutes. I'm not trying to be cocky about it but he liked wha...