I’m a straight male college student in a relationship, which had been going great. The only incongruity was that, for a religious reason, I don’t want to have penetrative vaginal sex before marriage. I’m up for anything else—I would eat her out, piss on her, whatever else—but not vaginal sex. I made this clear at the beginning. My girlfriend started bringing up how she wanted to have “actual” sex. I told her, “I love you, and if you need to fuck other guys, go for it.” To my relief, she was offended by the suggestion.
A week later, she confessed that she had slept with someone. I feel like I can’t trust her now, and I can’t bring myself to sleep in her bed anymore. I feel like a hypocrite, since I brought up the idea of her sleeping with someone else in the first place. But I was unprepared for the reality, since...