Usually some suction is temporarily effective, but if you have "inny" nipples then outside plastic surgery, I think self acceptance is gonna be your best bet. It's not that bad, I was with one girl whose nipples were innies plus they looked like little roses. When I got them to pop out they had lines like they were split...kind of different, but she was one of the best...
her belly grows bigger and her nipples pop out
The same way you make a guy's nipples hard.
Nipples will darken during pregnancy.
you need to suck them
you make them bigger\
surgery
your nipples often swell up when you are cold, and often tickling them helps
Impossible
Ice them
Yes
You can make a girl orgasm but having intercourse faster or rubbing her clit whilst having sex or sucking her nipples/ rubbing her nipples
marijuana