I think you should try the "Stop Sign" method. When your mind starts going to places that just kill you, visualize a stop sign. Or do the rubber band trick, which I do. I just snap that rubber band when I want to do something that's not good or when I think things that aren't good either.
Me: 42/H: 37 T: 10 years/M: 8 D9, S8 Bomb: 7.23.07 Separated: 1.20.08 D Final 3.19.09 Affair started in '05, found out parts in 11/07. They married 11.26.09