Just keep focusing on you and what you can do for yourself.
As for your H living with her...sometimes it does not happen right away. It took my H almost two years from the time the A began for him to move out and in with her.
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