There are different reasons for different girls, if a girl wants a lasting relationship then she is probably testing you too see if you will allow her to wait, this will tell her if you want to be in a relationship of if you just want the girl for sex. some girls do it so that they wont be judged by Society because all girls know that a guy would tell everybody about it. however sometimes the girl waits because she might not like you like that, she might be trying to come up with feelings for you. you may be hot but maybe your not her taste, or she is feeling guilty because she might be getting it somewhere else. it just depends on the girl.

Most girls withhold sex because they don't want to be judged by society. Hopefully you'll find a girl who doesn't give a ****

Because for guys, losing virginity and having sex is like points. For girls, it matters a lot more because most of the risks caused by sex happen to women.

girls withhold sex because it means something to them and its not just point scoring

You are earning very bad karma for yourself. Very bad, indeed.

Because guys can be real a$$holes

Isn't it obvious? She's getting it elsewhere.