MB - I would have made an appointment for my H, too, at your stage. I know for sure mine is in MLC. He doesn't believe it, and won't listen - but what else could be responsible for a complete change in priorities and personality? I would have done anything to get him in to see a doctor he would listen to in hopes that AD's would help clear his mind a bit.
But...Rain has a point. He fired you as his W. Maybe now that you've done this one thing for him, you should start letting him feel what life is going to be like without you helping him out. When he complains about something, validate, but don't offer to help him. He only gets your help if he's interested in acting like an H.
I can already tell this is going to go against your instincts, but you caught on the moment she pointed it out. So, from now on, just try and catch yourself when you find that you're wanting to do something a W would do...and then don't do it.
This situation is horrible. I wouldn't wish it on anyone. It's hard, nothing makes sense, and every day seems worse than the day before. But that will change, especially as you begin to GAL, and stop thinking about H. You have to do that for both of you. He needs to feel your loss, and you need the space and freedom from the pain so that you can be the best mom you can, which is hard to do when you're feeling so much pain.