Could he be trying to get you to end the A not the M? That's what my H was looking for I realised in hindsight.
My H was throwing clues in my face and because I trusted him I didn't see them; he even bought OW a present using MY credit card- talk about trying to get me to see what he was doing- duh! It showed how little attention I had been giving him.
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