"Post-Orgasm Guilt." Commonly experienced among males, is the process following ejaculation when one will often feel a sense of guilt or regret followed by lack of desire. This commonly occurs following self induced orgasms though it is not unheard of when a partner is present.
Boy: I just finished myself off watching porn but i had P.O.G so it ruined it a little.
Girl: That was awesome.. Why don't you want to cuddle?
Boy: I'll be fine in a minute babe, I'm just having some P.O.G