Sherlock stopped pushing, and pulled himself all the way out, a frown of frustration on his face.

"I can't do anything if you tense up, John." He said, pushing two fingers back in to try to get him acclimated again.

"I really don't want to rip you open." That wasn't 100% true, there was a part of him that wanted to go wild knowing that now he could survive, but he knew that wasn't what John wanted right now.