LT, I agree, we are similar in the D sense. H was pushing in the beginning, when he had ow. Then she went away, and it stopped.
Now that he is all alone, he's pushing again. He is very depressed. Very low T as well. He can't make himself feel better.
I'm so fearful he will attempt again. Almost paralyzed by that fear. He seems to be content giving up. He said I will never be replaced. But he's pushing me away, so hard.
I know this will happen. He is completely fixated, as you say. He won't stop until it's done, and he becomes fixated on something else.
I pray he becomes fixated on fixing ...himself.
I hope and pray, that neither one, your W or my H, tries again.