Slowly coming to the conclusion that you deserve better, remembering the the things from the past that rationalize and justify the LBS to no longer want M and to finally move on to D.
I'm there, too. In fact, I'm going back so far as 5 plus years, suspecting that I was only staying M because it was the right thing to do, for the kids... But if it weren't for the kids, I would have been out the door in a second...