What changes to you want to see in yourself? Make a list and start working on them.
What things a have you wanted to do? Make a list and start from there.
Scaredsilly and Adinva have given you some very good advice.
I would suggest that you be around him as little as possible. You aren't in a strong enough mindset at this point. My fear is that you will try to change his mind, plead, etc. (Hey, we've all been there)
Live your life, let him live his.
Are you actually moving to a different place?
Me 57/H 58 M36 S 2.5yrs R 12/13
Let me give up the need to know why things happen as they do. I will never know and constant wondering is constant suffering. Caroline Myss