If I was in your position lost1, I would directly tell his wife what he was up to in regarding the kind of relationship he was trying to create with you.
Openly showing what kind of person he is might just turn on some lights for her as well.
He may have been trying some deceitful moves toward you for sex and sex alone, something I've seen myself by so called brothers at the
Kingdom Hall. People who are being trained to expect themselves to be sinners, will at times stand up to that innate expectation, knowing
in hand that they will redeemed by their supporting religious faith. I've seen elders , PO's and other high standing people in Kingdom Halls
commit adultery and other irresponsible devious acts, the ones you'd least likely expect.