Keep going with the cold turkey, Azure---you can do it, I know it! Congrats on the whole month, btw.
I think your comment about accepting that he "needed" to move on regardless of right or wrong (this is really dropping the rope, isn't it) is apt for a lot of us. I'm not there yet, hard as I try. I'm glad it's having a good result for you, though---mostly for you, but also in H opening up in helpful ways.