Make orgasm and bad feelings

This guy I have a thing with is saying he doesn't want to have a sex for a while and isn't ready for commitment. We've had sex before plenty of times and he says he doesn't want to now because after he cums he feels bad and doesn't want to see me or be around me. He says he hates feeling this cause he really likes me, he says it happens to all guys but previous boys I've been with haven't had this problem. Does this happen to all Guys or is he lying