Don't confront him. Don't play offense, but DAMNED sure play defense. The next time he says "I'm trying," let him have it. "I'm sorry, is 40 text messages in two days 'trying'? See, I have a much different definition than you do. I can interpret this one of two ways: either you're lying to me, or you're too weak to stop yourself. Either way, I can't live with that -- it's not healthy for me."