I think you are very strong to leave. During this time, you GAL, only communicate regarding S, go to IC and work on areas of weakness.
Are you doing anything legal, like drawing up a parenting plan, child support, etc? Are you willing to wait awhile?
Expect him to get closer to OW during this time....but he won't be getting his needs met by you.
me,34 exH,34 S,16 months S:3/31/09-left for OW started DBing 10/09 d final: sometime 10/10 current: http://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2022856&page=1 met in 2004