Wow that's really crappy of him to do. I don't think he is being sincere, because if he really cared about your feelings, he wouldn't have led you on like that in the first place.

Of course I don't know him, and he may have been a really sweet guy when you were out on dates with him. But if a guy says "I love you" to two girls, with both of them completely unaware, and already being in a committed relationship, who is the one really getting the best of both worlds? He is. He just wanted the pleasure of two women, even if it meant hurting someone (you) in the long run. He probably hasn't told his fiance and probably won't ever have the nerve to. It's disgustingly selfish and really pisses me off.

You are not a piece of crap, but you were treated that way. Whether or not he wants to "get rid of you", I wish you the courage to leave him yourself and not stand for it. I know you miss the I love you's, and the dates, but you deserve that from someone who really does love you, and not from a married man who wants a girl on the side.