What helped me when I went through this is to have a list of goals that I kept with me to refer to during these times -- really simple stuff -- like no R talk, don't call H, simple tasks on paper, but difficult in reality. And another filter that I tried to run things through was if the action I wanted to take would get me closer to my goal. And also, believe nothing of what he says and only half of what he does.
Dagny
Me 48, H49, M24, S14, S11 DB #1 4/2002-8/2003 Bomb #2 August 2010 & he moved out Living with OW