Yes, indeed they are.
you need to suck them
No
Genetics,,, I once had A girlfriend that had nipples that were undetectable without your eyes.
The Nipples are most sensitive.
Yes.
The mans nipple is a bit sensitive , but the lady will have a far more sensitive nipple.
Nipples
It's thin skin
Ice
That doesn't happen to all women. if it does it's because a womans nipples are more sensitive and some can even have a orgasm just by being touched there and not on the clitoris. The vagina and the breasts are connected as erogenous zones.
How to clean inverted nipples too sensitive to come out?? Can peroxide help? Mammogrames are normal...
yes