I'd just turned 32, was already on my second marriage and things weren't going very well. Same problem as the first - lack of interest in sex. It had gone from two or three times a week to maybe once a month. We'd talked about my low libido and I had even had counselling, but neither had helped.
Once last try. The new psychologist suggested we try a new approach and had me sit in a booth with a band thing around my cock attached to wires. I had to sit through various porn scenes to see what I reacted to. I didn't react to any really, or so I thought.
Later, he sat me down and went over the results. I wasn't sure whether to laugh or cry when he told me that I showed some response to straight porn but had a strong reaction to gay porn. The only thing my cock reacted to very much was men sucking and fucking each other. I was mostly homosexual. Initially, I was stunned but the more I thought about it the more it made sense.
I had occasionally noticed that some men were very attentive to me in social situations, and even at work. I'd always assumed they were just being friendly, but now I was wondering.
My wife wasn't surprised at this revelation and said that, next time, I should do what comes naturally and go for it. I was floored when she then told me that she hadn't been missing out as, for about the last twelve months, she had been fucked regularly by my Uncle Bob. I didn't say anything but the growing bulge in my pants told her all she needed to know, I was a homo and the thought of Uncle Bob fucking her was making my cock stiff.