I know exactly how you are feeling, and trust me the feeling won't last. You'll soon feel like a weight has been lifted because the uncertainty has gone. You can move on and yet still keep the door open should your H come to realize that he made a mistake.
Your kids need you to strong now more than ever. Continue to focus on yourself and them.
Both 50 S14 M 16 yrs (his 3rd; my 1st)
ILYBINILWY - 24 Dec 2012 H moved out - 27 Jun 2013 Legally separated - 6 Sep 2013 Closing the door and changing the locks