DoperChic:
Your husband is not doing this in spite of the fact that it hurts you. He is doing this BECAUSE it hurts you. He is cheating on you for similar reasons that I cheated on one of my exes: because doing so in such a way, humiliating you in such a way, and then getting you to stay with him afterwards gives him a feeling of power over you. Well, it’s not just a feeling, actually: he DOES have power over you, power that you have ceded by your acquiescence.
Take your power back.