To make sure we have all the bases covered, I'm going to take a different tact.

I'm guessing you know what to do. You mentioned that you had sex and then he treated you poorly. It sounds like he's just using you. There are a couple of books I would recommend: _He's just not that into you_ and _Women who love too much_

Of course, you could keep knocking your head against the wall for a few more months. Maybe get pregnant and become a single mom? See where this is going?