Hi akrasia, and WELCOME to SR. I'm glad you've found this place. It saved my life.
I know you've gotten great advice so far. I just wanted to address this:
Originally Posted by
akrasia 
If things don't change once he's sobered up tomorrow I will leave for a few months.
Do you believe, after all the years you've been together, that things will suddenly change when he sobers up tomorrow (or the next day, or the day after that)?
Originally Posted by
akrasia The apartment is right in town so I could still look after him. What I want is for this burden to just be gone, from both of us.
And what will this accomplish? You could live in your apartment and perhaps get a bit more sleep so you'll have a bit more energy to take care of *him*? What about you? Where does he end and where do you begin?
I say this with love...you're engaging in magical thinking here. Your husband deserves the dignity of finding his own recovery
for himself. You cannot find it for him or baby him through it.
The only power you truly have is over yourself.
Keep posting and reading. SR is always open.