In a face forward bold but not overbearing stance, face open, simply ask him the question without a lot of pre-qualifiers (no "you know I love you but...").
All the best, -NOPkins-
I will ferret out an affair at any opportunity.
-An affair is the embodiment of entitlement, fueled by resentment and lack of respect. -An infidel will remain unreachable so long as their sense of entitlement exceeds their ability to reason.