How Can You Hook Up With a Girl Who Has a Boyfriend and Not Feel Guilty?

He has no responsibility to that dude or their relationship. He doesn't need to feel guilty in my mind. She is arguably doing something wrong, depending on the rest of the facts we don't know. If she withholds that information for two dates and then has sex and then the morning after, she's guilt-stricken, that's a bad sign about her moral character. And so borderline normally you're real, could they didn't fuck at the party on the first date? It was the second date. So that to me reads that she's looking at this guy as boyfriend material rather than I'm a borderline girl who loves to just have sex. Which is in a way almost