Oh... god... Sherlock groaned... he wanted... he needed to come.... every thrust of John's cock his his prostate he was stretching him so wide that there was no way it wouldn't brush against it each time he pushed in and out.

"P-p-lease... John... c-can I.. touch myself... please... I.. have to..." He whimpered and whined, he couldn't quite come untouched like this, even rutting into the sheets, but he could feel himself teetering over the edge...