I couldn't cum yet, but figured he sure could at his age. Needless to say, the rest of the week we did it together, and to each other! Me, thrilled at seeing his cum spurt out, and me, totally enjoying those 'dry orgasms', just being total naked with him on his bunk long after lights out until reveille.
By the time I was the SPL, I was sharing that thrill I had with him, with other newbies and same-age peers on weekend campouts and at summer camp. I well remembered my embarrassment at age 11, no pubes, just a little stiffy... always made the young kids feel good about what they had.