Please stop dwelling on what you don't know. It gets your head spinning in different directions.
You have to take the focus off him and what he might do/who he might be with.
Is it worth it, will it change anything right now? No.
Keep the focus on issues at hand--your home, your family, your job, you get my drift.
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