Recently, I've been seeing a man, a man who is living with another woman. He's the mother of her child. And from what he says, they're unhappy together, we weren't in anything serious, so I accepted a date invitation from another man. A man who was free, and single, without any restrictions. The first man found out about the date, questioned me about it, and I told him that yes, I was planning on going, and he became angry, and told me that if I was going to be with him, he wanted me to be with ONLY him. And we spoke briefly about it, and I don't at all think it's fair for him to ask me to commit to him while he's got another woman at home. A homewrecker or whore, I'm not, this man approached me, and I didn't find out about his girlfriend and child until after I'd developed feelings for him. But his situation creates special circumstances, and I deserve better than to commit to someone, and always be second best. How do I explain this to him?