Originally Posted by FeelingGreat

Hi Catabe, it's like a bereavement with the person still alive. Of course you couldn't stay because all you were doing was making him worse. Not of yourself, but by providing him with the means to keep using.

Leaving him might give him the incentive to stop, or he might not be there yet. But it will put you on a healthy path, and you need to think about yourself as well as him. Give it some time and expect to be grieving for a while.