you may use a new razor ...and a lot of soap ...then gently take your time ...shaving the hair off...so you don't cut yourself ...it may also itch ..in the end...
Nope. That's a personal preference.
They don't have to, but (not to be rude) some guys don't like the bush.
ANSWER: Agreed, no requirement for a girl to shave. But, what shaved girls learn is that...