was about eleven or twelve that Mike and I began to develop some curiosity about each others bodies and sex in general. It started out as simple ‘show me yours and I’ll show you mine’ games and ‘playing doctor’ that I suppose most siblings go through at some time and included some mutual fondling of each other. Mike was about thirteen or so and had started getting erections and it seemed that he was perpetually hard when we got naked with each other. His was the first cock I