More of a hotwife scenario for us. Went 'kinda like this: Wife and I weren't yet married. Early 30s. Had had a few dates, with good sex. We were in our motorhome in the bed up over the cab, hot and ready for sex. The subject of marriage came up during our foreplay and as I expressed how much I would love to be married to her, she told me (with her fingers lightly gliding up and down my cock) that she just wasn't "a good candidate for a wife" as she would probably want sex with other guys from time to time and "cheat" on me. "What a turn on that would be!" (or words to that effect) - is what I said to her and as she felt my cock leap to full hardness she said "I see you like that idea!" "Are you sure" she said and revealed that 24 hours prior she'd been in another guy's bed. We fucked immediately and shared fantasies while doing so. About 3 months after we married, she called me one night from her hotel where she was staying for a work conference. "My panties are about to come off," she said, "are you sure about this?" After I told her how hot it was, I didn't hear from her again until the next night, when she'd invited him to her room again. He was a regular with her for over a decade. About once every three weeks. We often joked how he was a TBC (thick black cock).