A, I know it hurts terribly what he continues to do, but his lawyer may be the one requesting the fitness to work request. Your h may not have thought of that one on his own. It's a typical request in some cases. Advise your lawyer of the request and then have it done. BTW, you can request the same of him as well.
Keep in mind, when in a situation such as this, compassion went out the window. All that is playing in his mind is survival and not paying you one penny for anything. Time together, love, compassion, etc. are all now gone...it's all about business and that's how you to have to look at it as well.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.