Can't get a girlfriend.....give up?

Hey,I am a girl and i have really and when i say really, i mean, really, bad luck in love but it is maybe cause i am just fifteen but i always seem to go for guys who are a challenge, i dunno and they turn out to be quite crappy and a typical jerk. Anyway, i don't think that you should give up, my trick is always to go out with a mission and that will be, searching for my ideal boyfriend. Cheesy?But don't give up.