I just read the linked story which immediately provoked the memory of my first time with another boy
We were walking along the bank of a little river by ourselves. The landward side of the path was heavily wooded, so we were shielded from the view of the rest of the world. My friend, out of the blue, asked me if I jerked off. I didn't know how to reply, but blushed deeply. Noticing my reaction, he said something like, 'Come on, we all jerk off, it's nothing to be ashamed of.'
Looking away from him, I admitted that I did. 'I knew you had to', he continued, 'from looking at your dick in the showers at school.' I asked him how that was possible. He replied that since I was so fair skinned, my dick looked like it was boiled. Then he unzipped his pants, pulled out his hard dick, and asked to see mine. Like a zombie I got mine out. His was about five inches long and mine about six. Then he sat down on a log, and started jerking off. I watched for a few minutes, and then began my own familiar pumping. We both had huge comes. That had broken the ice, and we exchanged our stories of peter pleasure. I'll leave that till later.