Im a 21 female always dis satisfied and horney?

Well I'm always horney day or night and I'm 21 my boyfriend of 23 is some times horney but not always and I feel like I'm always nagging him to have sex with me..I bought a toy but I still want the "real thing" I feel like I can never get him in the mood its like his sex drive is low I don't think its because I'm not sexy I get looks from men everywhere I go..should I break up with my boyfriend over not having sex with me all the time..? And when we do have sex I always feel dis~pleased after were done like I'm still horney..I feel selfish like something is wrong with me...help plzzz!!!