Though the kiss was pleasant, Watson wasn't at all sure he should be encouraging that sort of thing. After all, it might lead to things that Holmes wouldn't be physically up for, in the category of excessive exertion.

"I was thinking," he said, rather wryly, "more along the vein that if you begin to slip into delirium and start hearing voices, you ought to inform me." He smoothed his hand over Holmes's brow, and kissed him again, gently. He hated seeing anyone suffer -- he knew suffering too intimately for that -- but seeing Holmes suffer was far more difficult. "Or if you begin losing feeling in your leg, for that matter."