I've probably told this story here on SYD before, but for new comers here it is again.
When I was in my early thirties and had been an out gay man for more than ten years, I had an affair with a woman. She knew I was gay and was totally cool with it. And it was always an open relationship. As I was fond of saying at the time and ever since, she's fucking other men and so am I.
In any event, she and I had a lot of MMF three ways. One guy was interesting in that he was not very sexually experienced. Not a virgin, but almost. He was not crazy about having me in bed with him, but he really wanted the lady. If he had to accept me being there to get her, he could do that.
Once we got started, he got really turned on by watching me fuck her. His comment was that it was like watching porn except it was live, right in front of him. And he was also turned on by having me watch him. His innocence really came to the fore when we got to oral sex. He had never had his cock sucked, but he was fine with having the lady suck it. Pretty quickly he warmed up to having me suck it. When it came to going down on the lady, he was OK with watching me do it, but was really reluctant to do it himself. I chided him by saying that I was as gay as pink ink and I could eat pussy, so get down there and start lapping. He did.
Now comes the really interesting part. At some point the lady became hungry and went out to the kitchen for a snack. As soon as she was out of the room he went wild. He French kissed and sucked cock like a champ. And yes, he took me to climax and swallowed.
The next morning he told me that since he had never been with a man before and might not have another opportunity, he wanted the full experience while he could. My kinda guy.