Watson has risen to Holmes's half-challenge, half-request beautifully; he's already stifling a moan when Watson straddles his lap, and by the time Watson sets to his throat, he is much less successful at keeping quiet. It occurs to him that there's no reason to worry about that anymore; not that noise was of primary concern in their rooms lately, but there was at least a thought given to not disturbing their neighbors. They have neighbors here but if they are disturbed then they are standing too near to their home and thus deserve it.

"I have," he manages finally, one hand clinging to Watson's thigh. "I observed that it is relentless. Your sweet tooth is doubly so, is it?" His other hand snakes around to Watson's back, gripping him there as well.