I just wanted to drop a little note about addiction (ie- your spouses possible addictions)
People have to want to stop, unless they do nothing in the world will reach them.
Think of it as being in a pool... if you jump feet first into the deep end and only kick your feet and not your legs it can be very hard to reach the surface, but if you sink to the bottom you can kick off the bottom and get to the surface faster.
The person has to either be willing to fight hard to get out or hit the bottom with nowhere to go and kick off... all you can do is be ready to give them a hand once they get their head above the water and take that first breath again. You can't swim for them no matter how hard you want to.
Just stay at the edge of the pool, when and if the time is ready they will reach for your hand.