Sherlock didn't want to torture John or make him wait any longer. He pressed a well lubed finger in, Slowly at first, not to tease but to get him used to the feel. Slowly, slowly he pushed his way in until he was bottomed out. He started into a slow rhythm, every time he pushed in he tried a slightly different angle until he..

Oh.. there is was.. he found it.. the little bundle of nerves that he knew that would make John's pleasure spike.

He added a second finger, scissoring them apart so he could hit the prostate with each thrust, but still work him open. He was almost ready now..