He’s actually the husband of a friend of a friend. He is following me on Instagram, he likes all my pictures and has started privately messaging me, innocently at first, asking after the kids etc, then telling me how good looking I am, I haven’t changed since he last saw me blah blah, sending me blowy kisses emojis. I’ve screen shot the lot and am seriously considering sending it to his wife. My sister is staying at mine at the mo because her perfect husband has been sexting women and videoing himself screwing them. I want to tell his wife AIBU?