I would think it would be normal for him to be a little gun shy right now. Remember how badly he must have been hurt. Trust takes times to rebuild.
I would keep it slow, don't push him, just be happy and have fun again. These good memories you will be creating will help replace the sad ones.
wed
wed2alien
Both 49, M 23 years 3 teens April 2004- bomb, moved out April 2006-Ended with OW for the LAST time May 2006- He wants to work on the marriage!! Nov 2006-- Moved home May 2008- Things still getting better