I'm sorry for your difficult time right now. I just wanted to say hi and offer up support. You have the best advice you can get here, from snodderly. The one thing to remember is that this does take a while. I didn't want to believe that at first, either, but it was true. Keep gaining strength and put yourself first now. He's made his bed. He's not happy laying in it. But that is not your fault. Many hugs. Hang in there.
Most of us really marry only once. First love endures, even unto our dying day. And we never really divorce.