Agree with all the above, he is just a douche bag.
Sounds to me like he is now missing what he once had. Probrably enjoyed the 1st couple of months of being single, but now he is missing the hell out of you. He will never admit it, cause you know us guys have our pride and all!
Move on, find ya a dude that is willing to show you the respect you deserve. Believe it or not there are a few left out there!