His reasons for keeping the number are so fishy and lame. He is on the prowl and/or is keeping secrets. My exh is the same way.
Doesn't it now make you stand back and say 'what the heck was I thinking?' More than likely he has been doing this all along. It's who he is.
A freind made a comment to me awhile ago about my exh and I think it applies to your H too....This is who they are right now and probably have been forever. They were just good at hiding it. They like who they are and really don't want to change.
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!!