My Uncle’s Cock

I’m a young guy who is in most aspects straight, but I do have a bi side. I like to say I’m straight, just horny for dick sometimes. I’ve been writing stories about some of my experiences because I have a little spare time and it’s fun. All these stories are true and happened in the last few years.
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When I was in high school I loved being surrounded by cute girls all the time. I had a couple girlfriends, and a few sexual experiences with them, but I was still a virgin. I was pretty timid and shy, with a small-framed and smooth build. I was pretty short (for a guy), with a boyish face. I knew I was straight, but never considered myself very masculine or macho.
In my spare time, which I had a lot of, and when I didn’t have a girlfriend, which was often, I would often cruise the Internet and watch porn. I was especially drawn to oral and anal videos with big dicks and big cum shots. My dick itself is a decent size, but I loved watching videos of guys with huge cocks and tiny girls sucking them or taking them up the ass. Slowly I realized I wasn’t paying much attention to the girl specifically, I was paying more attention to the cock and what she was doing with it. I then slowly realized I was fantasizing more about being in the girl’s position than the guy’s.
This scared me a little and often made me ashamed of myself, so I would try to focus more on girls and straight sex. But no matter how many times I felt embarrassed, and no matter how many times I tried to distract myself, when I was horny I kept thinking the same thing: I wanted to...