You don't have to be the one to tell. What about his W. Does she know about the A?

If your W wants to feel loved let her experience feeling loved by OM. Doesn't seem that he knows how to love and she will tire quickly if you stop filling in the gaps for her.

Saffie

Saffie
me 46
H 46
M in 1986
D20,D18,S16,D13
H's A 01/05 to 07/06
H recommitted to M 07/06
renewed vows 09/06
Going from strength to strength