I would contact OW's H to see if he knows what is going on. He may be aBle to stop his W by calling her on it.

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