He never will, it will only get worse. Before you know it you'll be asking his permission to go to the bathroom. Been there, done that, and it all started just like your story. Really, there are certain types out there that are very predictable, and this guy is one of them.
Run, don't walk. We're here for you, that's why we joined AMHD, so you break it off, change your numbers, no contact and we'll be here to help you through it.
But, seeking proffessional help to get you back on track is also a very good idea. Don't just think about it, do it!
You have your whole life ahead of you, so find someone to share it with, not someone to control it!