I am a 36-year-old straight man, blissfully married to my 34-year-old soul mate. We have explored and enjoyed each other for a decade now, and we recently started exploring BDSM and D/s fantasies. Everything was going great sexually—until last night. Two years ago, my wife expressed an interest in an MMF three-way, where I was the Dom guiding the action between all three of us. I planned this event, play by play, reviewing in my mind everything that was to take place. There were many conversations about expectations, stipulations, etc. All bases covered, I went into the event mentally prepared and gleefully excited. Magic happened for about two hours—passion, love, and dirty, dirty sex. Almost every kinky kind was being had and enjoyed, save vaginal intercourse.
Then my wife was vaginally penetrated by our friend.
It was as if all the air in the room was sucked out through my...