It's hard for me to keep quiet on your situation, but I have nothing to offer you. I think your situation is the closest to my own, but we differ wildly in how we approach this.
I have profound and tremendous respect for you, but I see you giving him way too much headspace all the time. Answering is a game. So is not answering. N/C brings peace and adds to the mystery. Contact feels vulnerable, but it answers some of the questions (what is his demeanor, is this about the case/the money/a remarriage, does he miss me, how would it feel to talk to him, etc). There is no right answer. There is only how you feel about the approach you have taken and the ones you didn't. If only life were like a law school exam where you get the points for spotting the issues rather than how you answer the questions.
I continue to watch your situation, Sara's, and Fight's with a great deal of interest. These are the clearest examples of narcissists and I see a lot of similarities with each. Of course whatever we glean from one another doesn't necessarily help with our own situation. While there are patterns, they are still individuals as are we.
I just want you to know that I support you. 100%. In your good choices, and the ones I think are bad. I support your right to make these choices and to change your mind. I want nothing but peace and happiness and a cute guy in the supermarket for you.