Just checkin in with you. Hang in there girl. It does get easier. I have not brought up OM in over a month. I am not doing as good on the R part but I think it is beggining to get through my thick skull that I am much happier and confident when I worry about me instead of how unfair this is. Try not to spend so much time analyzing his behavior. It will only make you crazy, cause you to think about R then result in you talking about R. Focus on you, you, you and what can make you happy (without him) and his drama will not seem as important.
Now that I have given you this advice, I will try to keep using it myself. I know I can't do this DB'ing and sitch without the help of God, so that is how I make it through the tough spots.