Stay away. Be still. Let him be. He needs space. He does not need a mother. He does not need someone to tell him what is right or wrong. He needs to be left alone.
Forget about OW--she is not important.
Try it for one week! Seriously.
The Bomb: 08/05 H moves out: 06/2006 H moves back: 01/07 & Out again: 01/07 H moves back: 03/08 & Out again: 04/08 H moves back: 05/09 & Out again: 07/09 Divorced 08-12 Kids: 22, 20, 19