When I was a young teenager and had recently learned to beat off and enjoy watching myself cum I was scheduled to attend an all boys summer camp for a week.
I had never been to camp before and when I arrived I found we only had a large group shower. I was a shy little guy and wasn't used to anyone seeing me naked much less with a hardon and was afraid I might get one in the shower as I usually did at home.
I tried to wait until everyone was out before I decided to go in. As soon as I turned on the water and it was warm I automatically started to get hard without touching it, but to my surprise an older camper walked it.
I turned my back to him so he wouldn't notice I was already semi-hard. I began to soap up and wash and glanced over my shoulder to see if he was looking my way. He wasn't but he had his side to me and I noticed he had a much larger dick than I did. He first started soaping it and in no time it was hard and at least 7 or 8 inches when I realized he was beating off.
By then I was totally hard and embarrassed so I quickly rinsed off and turned to leave. As I walked by him I saw his cum start shooting off all over the wall.
As soon as I walked out of the shower I was so turned seeing him cum I couldn't hold it back and I felt my cum forcefully shoot off without even touching my dick. Luckily I had a towel around me so if anyone was still there they wouldn't have noticed.
Before the end of the week it was no big deal getting off in the showers with someone watching. It's still a major turn on watching cum shots, whether it's mine or on a video.
Fortunately my wife enjoys watching me cum as much as I do. If you and your wife don't enjoy watching each other masturbate you're missing our on one of the must intimate sexual sensations. Of course just to watch me cum now and then she enjoys giving me surprising early morning wake up hand jobs too.
I hope my story aroused you as much as it did for me writing it.