Steady, there is another approach, which is the one I'm advocating here. It's both patience AND work. But the work is just on your side for now.
You can work on your M by yourself. It's like the law of physics: Any action must have an equal or opposite reaction. When you make changes in the way you are going to approach your M, then your spouse has to change in response. You just have to recognize that the changes you are making are for YOU not your spouse.