You did the right thing, and it sucks that he's not being there for you. I would look up local support groups for what you're going through. They exist, people will listen to you and help you with the parts you struggle with.
But, you did what was right and he made the decision he had to. It sucks that he isn't the man you thought he was, but consider this a bullet dodged.
"Well, then," the Cat went on, "you see a dog growls when it's angry, and wags its tail when it's pleased. Now I growl when I'm pleased, and wag my tail when I'm angry. Therefore I'm mad."