I was 30 years old and had been married to my first wife for about 6 years. Unlike our courtship and the first year of marriage, our sex life had fallen off gradually but steadily until it was only missionary-style on Saturday nights, it seemed. I loved her, but I had (and still have) a huge sex drive, so I needed more.
The internet was in its infancy at the time, at least in my area of the world, but it didn't take me long after we got our first computer to find porn. It started off as "normal" (man-woman) porn, but I soon found "other" types of porn (group, bisexual, and man-man). For some reason, the bisexual and man-man type is what I seemed to gravitate toward more and more.
From my internet exploration, I found out about adult book stores; particularly the type that have video theaters and booths in them. I had to try one out, and the first one I went into was an amazingly arousing experience. The idea of watching porn, in a dark little cubicle, stroking my cock while I knew there were other people in the adjacent booths was an incredible turn on for me.
I travel for work fairly often, so I started the habit of stopping in an adult book store whenever I saw one as I was driving. There was one a couple of hours from where I lived, that happened to be on a route I drove frequently, so I stopped there a number of times. It was the fifth or sixth time, I'd guess, that an event occurred that had me hooked from the start.
I went into the store and got tokens for one of the video booths. I walked past all of the videos & sex toys to pull the curtain aside to enter the booth area. It was dimly lit, but still light enough to see a couple of guys hanging out in little hallway between the rows of booths. One was a stocky white guy with jeans and a t-shirt; and the other was a taller, muscular black guy wearing shorts and a tank top.
I made my way past them and went into a vacant booth, and closed and locked the door. I fed my tokens into the video machine, and scrolled through to a bi-sex video as soon as the screen came on. After unbuckling and unzipping my pants, I settled back and started stroking my cock as I watched a man and a woman in a 69, while a really well-hung guy fucked the woman from behind, occasionally pulling his cock out to let the guy who was eating her pussy suck his cock clean before going back to pounding her.
Just as it got to a point where it looked like the guy fucking her was getting ready to nut, I heard a soft cough and noticed a movement out of the corner of my eye. I turned my head, and in the glow from the screen I saw a hard white cock poking through a hole in the wall.
A million thoughts flashed through my mind, the first of which was wondering how many booths I'd been in had holes like that, and I'd never noticed. All thoughts left me, though, when I saw the cock flex and jump a little, and heard the soft cough again.