It seems that there are none of the the female gender commenting here...
That's because this is the internet, and a flash games forum specifically. The user ration of males to females is probably on the order of 99:1.
Generally, I doubt many people would want to be the other gender. Those who do are transgenders though. Biologically speaking, it's normal to want to be what you are.
If it was a trial period I would bet most people would give it a go just because they could.
Well then, like I said, just punch her back in the breast. Or knee her in her groin
Only problem with that is girls can get away with a lot more in the physical department of most things than a boy can between the two.
A girl beating up a boy is funny.
A boy beating up a girl is a crime.
A girl touching a boy is sexy/flirty.
A boy touching a girl is sexual harassment.