That's because you haven't been here long enough.

[He's going to ignore the question and the pained look, there is literally nothing he wants to do less than discuss drugs with Mycroft.]

Eggs are positively dull in comparison to most of the fare we're presented with. Only a week ago, John looked like the monstrous Hound from Baskerville and I resembled Moriarty.

[His tone might be deliberately flippant to hide how much that had affected him, but the slight tension in his body says how disturbing it was for him.]