And if you take risks, put yourself out there and dive in, one of two things will happen. Either you'll find the perfect guy and everything will work out happily ever after, or you'll date some people that don't work out, and in the end have that experience you worry about not having now. One way or another, taking action is the way to go.
I'm sorry, but I really don't think this is a good idea. The odds of she finding someone who just wants to use her without a care about her feelings or well being are pretty high if she "dives in" like you are saying. She should just have a normal social life, where guys will eventually show interest in her and she will be able to choose a suitable person, instead of just offering herself away to the first bet.
Just as a curiosity, I live in Brazil, a place culturally hypersexualized where girls are usually having sex for the firt time around their 14-15, even earlier, and promiscuity is worshiped as God. Despite what some feminists may think, women behaving like men in this department usually end up with a pretty low self-esteem, feeling worthless before their own eyes and also of their partners. This is natural, since how men and women feel and react to their sexual experiences differ considerably, even on a biological level. Men can deal better with both rejection and bad relationships, not because we are superior or something silly like that, but because of how human sexuality works. Not that I could imagine how being used to be rejected could make someone feel superior mind you, just making clear I'm not being sexist...
To be honest, I don't think even men who get laid often with many women feel that great and realized either. The standards of society for what is normal, coming from mainstream media, political groups and forced cultural trends, to what is supposed to make us happy and satisfied have made the world a pretty miserable place.