At this point, I don't know what H is doing to a) acknowledge his part in this, b) let go of the anger, and c) work on the trust issues. He's got to put in the work and I hope the MC makes him see that.These are things that have to happen if we are to stay together.
Those may not be his main issues at this point, so don't feel as if he's not moving just because he's not doing it the way you want. I struggle with this too so I get it.
Personally, I think you'll have to take the lead. You'll have to show him that you are willing to own up to your mistakes, that your not going to blame him, and you are willing to forgive, trust, commit and love. By your example, he may see the light and follow suit, but don't try to force it. Let me the MC lead it down that path.