If it's about in-law sex? Does that count?
This is what happened about twenty five years ago when I was 28 and a happily married man with two small children.
My wife and I were hosting and chaperoning a high school graduation party for her brother. About thirty of his friends were invited and there was going to be a keg of beer so we had to monitor the party real close. At that time the legal age was still 18 and I know a few of them hadn't reached that age. I pretty much played bartender so I could keep track of things. We also had a lot of food and snacks and the party went along pretty well.
One of the young guests was Jeannine, my brother in law's girlfriend. Jeannine was a sweetheart to say the least. A farm girl that had achieved a lot in school and had even been a runner-up in the state junior miss competition. Good looking, brainy, and a sexy body to top it all off.
The problem with Jeannine was the fact she couldn't handle alcohol very well and early in the party she had passed out on the sofa in our living room. My brother in law, Alan had noticed but didn't seem to care and my wife suggested I help her up the stairs to one of our kid's bedrooms.
That was a real task, to say the least. She was wobbling about and even though she only weighed under a hundred pounds she was hard to get going in a straight line. At the base of the stairs I just bent down and swooped her up in my arms and carried her up the steps. Passing the upstairs bathroom she slurred, "Gotta pee." So I carried her in to do her thing. She couldn't even get her jeans down so I helped her strip them down even taking with them the sexy panties she wore.
"Pull them off the rest of the way," she muttered as she sat that cute little ass on the seat. I did as she wished and although she looked so hot naked from the waist down, I really wasn't excited. At least at that moment. I finally got her up off the toilet and headed back to the bed. "Thanks Alan," she muttered.
"I'm not Alan, Jeannine," I said with a laugh at her drunken slurs.
So I got her onto the bed, her panties still down around her knees and then a bad idea entered my head. I pulled her panties off, spread her buttery legs apart and stuck my face right down on her still wet with pee pussy. Jeannine gave out a little moan as I lapped rapidly at her delicious pussy and hard little clit, but I was soon distracted by her light snoring. She was out like a light. I unzipped my pants and pulled out my hard cock then lowered down between her silky smooth, spread open legs, but the voice of reason in my head said, "NO". So I stopped.