Annette - This is your life and you get to choose how to live it. I think you have learned a lot here and you'll never lose that knowledge. Frankly, I'm not real hopeful that much is going to change, but I also am not convinced that you were prepared for any outcome in kicking him out. That is an essential piece of the puzzle.
Try to stand back a bit and see what he does on his own -- that will tell you a lot about his willingness to do better.
XOXOX