You ask her, or you can try and if she says stop then that means she doesn't like it.
im not sure .
haha no xD
This is a guess but I believe about 50 percent do.
If you are male then yes it is.
Testosterone.
men like to feel in charge or impowered it our instinct to be the alpha male
Masturbation
Genderfluid.
yes
Talk with them and tell them how you feel and see where things go - if he seems interested ask him if he would like to go on a date.
It's okay to feel this way where you are a girl, but you feel like your a boy cause I feel the exact same way. I mean I know not all girls feel this way but others who do feel such thing would take advantage of it and change their gender to being a male or to a female. If it really do seem like a problem, then you might want to talk to some one about it.