mastrubation
Just Stop.
No it does not.
Stress relief
Masturbation doesn't do any damage.
There is no best way. It is whatever you find suitable.
The girls.
By doing.
Talk about doing it and eating each other out. ;)
It depends which kind! Mastrubation guys rub their penises and maybe finger their butts and girls finger or use toys in te vagina. In 2 person straight sex a man puts his penis in a girls vagina or butt and thrusts in oral sex men suck womens vaginas and women suck penises.
Yes! It is perfectly normal. Everyone does it. (Unless you don't for religious reasons.) Some girls masturbate twice every day whereas some girls masturbate twice every year. Either way, don't worry about it.
You don't