I hope you're doing better. That had to be an emotionally draining confrontation--but, as Eric points out, sometimes it's better to let it all out, and then keep moving forward.
You know, part of the MLC is that, like a teenager, the depressive feels that if anyone is laughing, criticizing, etc, they're doing it about them. Only in rare moods would your H be able to act like the rational adult you expect. I, too, kept getting hung up on, "But we're partners in M--it's not fair if he's unilaterally making all the decisions/rewritings, etc."
But when you think like that, you just keep getting smashed up against their Fog. I've seen it described as a sort of self-brainwashing, where they tell themselves enough rationalizations about their actions and thoughts, that they actually come to believe it. For a second here or there you might be able to penetrate the fog--but their minds will hastily pull back their protective coating of brainwashed "truths" until they are finally able to start dealing with reality.
Some MLCers, mine included, lose themselves in work as yet another way of distracting themselves from their pain. In your case, it looks as though work is too entwined with his life with you for that to work. As a result, I really don't feel he's going to be able to deal with work-related realities like declining income, as long as he can't deal with what he's doing to you.
I'd suggest that, unless he quickly comes back to you with suggestions based on your last conversation, you consider that you've made your final attempt to consult with him about Plan B, and continue on with making your own Plan B, possibly with the help of a lawyer.
But first, take time to get the tears and anger out of your system--I know you're strong and will be back on your feet, more determined than ever, before long.
