I agree with IW that your pain will not go away with D, and may get worse for awhile.
I also agree with LH that you need to protect yourself. I don't know the details about your alimony situation. One of the most DB things you can do is stand up for your parenting and financial rights. D is one way to do so. Maybe there are other means.
I think patience is always the best option as long as you are on roughly equal footing.