Even though I experimented with another boy when I was a teenager, I was not really attracted to other guys. I do not recall even having another thought about doing anything sexual with another guy until after I was married. My wife an I talked about having a threesome shortly after we were married. We discussed it several times and even had chosen who we would select as the "third".
However, we never went through with it. The discussions themselves led to some very nice sex and that sort of satisfied the urge at the time.
Many years later, my interest started to grow after spending more and more time watching porn on the internet. Our sex life had become sort of stale and very infrequent, so I turned to porn for inspiration during masturbation sessions. After some time I started to pay more attention to the cock the hot girls were sucking, in addition to the hot girls.
I knew how much I liked to have my cock sucked and so started thinking what it would feel like to suck a cock. Even then, it was several years of this kind of fascination before I actually got up the nerve to actually attempt to hook up with another guy.
I started chatting with other guys and found that there were a lot of guys like myself, married and not getting much sex at home and horny, that wanted to give it a try. I set up a meeting one afternoon (actually two in the same day,) with one early in the afternoon and one later.
The first guy came over and we got right to it, dropping our pants and playing with each other's cocks, then taking turns sucking each other for a bit. After he came in my mouth, he left rather quickly. A little while later the second guy showed up and I just reached through the window of his car and jacked him off!