To all honesty a man who makes such suggestion to a woman, who clearly cares for him, is not worth 5 minutes of your time. He has no respect for you and now caused you to lose respect for yourself. I don't even know him but he grosses me out. He isn't a decent man. You are intelligent and insightful person. I know love could be blind but it doesn't need to be THAT blind. You deserve way more than such treatment. I feel saddened on your behalf

PS it's not worth it investigating why people do what they do. There is no point because we will never know the answer. But it's important to investigate why WE do what we do. I think maybe working with a t on this is important right now. Why you allow such treatment and why keeping doors open for such men etc rather than why HE does this or that.