Thank you yet again for the happy thoughts.

So I pretty much took what you wrote and said it to W. She was simply stunned that I knew, and was speechless. She then said, "who said you get to make the rules?". My response was that, "We set up those rules early on in this separation, the house, our home, was a safe place; and I'm not going to simply be walked on". She followed up with, "Well I want a divorce.". I said "then file, but I'm not going to help you." I showed her my wedding band, and told her that "I am acting like a married man." She then became silent to go to bed angry, and I'm honestly proud of myself. Ultimately she may file, but at least I'm standing my ground for me. I did add that if she wanted us to be "amazing friends," as she had said a few weeks ago, that I expect to be respected.
I do feel like a weight has been lifted, for now at least.