The mystique of dating a married (or otherwise committed) man is something I've never been interested in dissecting. Nothing is sexier than honesty. A committed man can't be involved with someone else and remain honest. When you have knowledge of a person's dishonesty, I would think that you'll always wonder "When is it my turn? When is that person going to be dishonest with me?" Or maybe it's just me who thinks that way.
I had a friend, my first roommate as a matter of fact, who dated married men. She was a serial married-man-dater. It was quite disturbing to watch a married guy sit at her apartment, on his cell phone with his wife telling her that he was at "Tony's" house. What was more disturbing was my homegirl just flitting around like it wasn't a thing. I, on the other hand, was about to piss my (then still virgin) panties. I just KNEW that she had a LoJack implanted in his genitals, was on her way and somehow I would get caught up in the bloody crossfire. When I expressed my concerns, my friend casually replied, "Oh, she always calls when he leaves the house. She probably knows he's with somebody, she's just not sure who." Daaaaaamn . . . that's messed up. Scratch that . . . that's FUCKED UP!
Now she has a husband . . . and is quaking in her boots. She suffers from PTSD (Post-Triflin' Stress Disorder). Now that she's decided to stop cheating, she is scared to death that her man is on his cell phone at "Tony's" house.
I know quite a few women who deal with the same issues. My ex's current wife is among them. It was cool when I was the one being left at home, but now that he's pulling disappearing acts on her, she's talking all slick to me when I call out of necessity. BLAH.
Karma really isn't something to fool with.