I actually don't think he wants a divorce because you are doing almost all the work already. Why would he want you to leave if you pick up after all his messes?

It sounds like he's very unsatisfied with the way his life is going right now. You might be right that it could have something to do with his work. But the way he's coping is by putting you down and complaining about not having dinner made so that he can have a free pass to not contribute anything else to the effort that is required in a marriage...or in life for that matter. He's avoiding anything that is considered "work". Sounds like he is tired of trying. All he wants is to be pampered.

So why are you continuing to ask if he wants a divorce? He's NEVER going to say yes. Unless...you stop cooking meals altogether...

Do you see where I am going with this?

If he's unhappy with work, there are many more healthy options to choose from to improve the quality of his life..rather than dragging you down with him. He really does need therapy. Badly.