My guess is he is now sober and that leaves him with alot of emotion, frustration, and decisions he could just drink away before. Now he has to deal with it and its probably not fun. The rest of us do it unassisted by a bottle but that has been his crutch for so long.
Continue letting your H figure out his own issues. You are stepping away from the codie behavior and its hard for you too. I know, once a codie its hard to fix that.
Me: 46 FWS: 36 Married and Divorced 4/07, Pregnant 7/07,False R 7/07 Baby Girl born 3/08 Kicked him out because OW: 7/08 5/10 He realized what he had and lost. Moved home! REMARRIED 3/14/11!!