I know that you've been thinking and praying about your sitch for a long time. You're wise enough to know that however you proceed needs to be because it's best for you and your children - not to try to provoke a certain reaction from your H.
You've held on very strongly, considering that he's not given you much to work with on the hope front.
I hope that your new plan turns out in the way that's best for you and the kids.