"I suppose I could explore this idea further, especially since you seem so particularly eager to see its outcome," he returns, needling back a little. Reaching between them, he undoes Watson's collar, brushing his thumb against the hollow of his throat.

"I take it you would prefer this experiment happen sooner rather than later." He lets his hand wander down to work on Watson's buttons. "That seems the most prudent option in my opinion; we had better get it out of the way before Mrs. Hudson so dutifully supplies us with our next meal." His voice has progressively gotten huskier, and he leans down to dust his mouth over Watson's in a ghost of a kiss.