Except for all the fighting and breaking up, I was in the same situation with my girlfriend. I hid for over a year that I was hooked on opiates. I finally told her, went to treatment and got off them. Well kind of I was prescribed suboxone. But I think once you are hooked on opiates your brain has chemically changed and you are dependent on them to survive. That is just my case. I do no one person who fully beat it. Anyway everything was great for us no fighting happy family everything. The. Out of no where one day prior to my daughters first birthday she said I don't love you packed up some clothes took our kids and left. What a absolutely crushing blow it has been. I
Still trying to recover. All I can say is that I wish my ex was as supportive as you. You have done more then enough for your relationship. He will need to wake up and see how is life will be without you. If he knows he can always come back I would not expect things to change. He is going to have to want to want to change that's the bottom line.