Do you have a choice to stay with your husband? Do you have a choice to leave? You are super unhappy, and you say you want to leave but keep choosing to stay because you feel like you have no other choice. Just like its never a good time to leave your husband, it's never a good time to quit using drugs. Things have to get really really bad or we have to find some reason that is really really motivating. And it has to come from within. Nothing our family says or does is going to change what we are doing.
That's kind of what it's like to be an addict. Sure we say WANT to quit (just like you say you want to leave). But we still need to do the work. And until we are willing to actually do the work required to make our lives better, we won't do anything but complain about why life sucks. And then we'll go out and get high so we don't have to do anything about it.