Sure, I'll post this with my regular account against my better judgement.

This is such a bullshit question. I know what you want to get at here, but you're thinking about this the wrong way.

There are not "nice guys" and "assholes" once you're in the real world. There are, but they are both pieces of shit. There's a third option: Be a person. Have hobbies, interests, and goals in life. People have confidence to not care if they are getting laid or not, because if sex is your only goal in life, you'll probably not go far after your thirties unless you're already the wealthy and handsome %1 of humans that we fantasize about in movies and television.

Just be yourself, but be the best you that you can be. Don't worry about "sleeping with women" as a number, because humans are going to get horny and sleep with other people they like, regardless of their aims. It just happens, and it happens a lot if you don't care about it.

Go to the gym. You don't have to be in super awesome shape, but just be within your own healthy limits. Go to the library and pick up a book that will not make you a better person for reading it. Something in the fiction department that other people seem to like. Read the news a lot. Or get really into some obscure subject that is really cool and unique. You'll have something to talk about.

Don't get hung up on an individual person. If they reject you, just move on. Stop communicating with them and move on. Make new friends. Make groups of friends. STOP CARING IF THEY SLEEP WITH YOU.

Don't play some game. Don't try to bang a lot of women. Stop thinking of women as objects, and you might build a decent relationship. You might even find a person who wants to have a lot of sex with you. You might even find friends who want to introduce you to others.