Mighty, I'm finally catching up again on things and I have to say you are regaining your strength, I can hear it.
You want to help him through all this stuff to guide him back to you... But that's not how this works. Your detachment is crucial to your well-being and to remind you that YOU should be your only focus. He is neck deep in his own chaos and you can't help him wade through. You just can't. One of the hardest parts in all of this is proverbially watching someone drown in their own mess while you're standing on the deck. He gas to save himself. He has to find his own tools. And you have to get out of the way.