(1) You aren't done, so forget that scenario until you mean it. When the time comes to separate, you will know, and it won't be a team sport. Enough with the idle threats.
(2) Quit trying to tell W what to do. Simply report where you are. You have decided that you will have a passionate R in your life, you hope that R turns out to be your M with her. But for sure, long term, you are not going to live without that kind of important connection in your life. Enuf said. But don't say it until you know that you mean it, and until you feel quite settled with it.