[John snorts at that, though it's a fond scoff far, far more than it is a frustrated one.]

Honestly, Sherlock. Already spoiling the next card I get. "You make life infinitely more convenient and/or increase productivity and efficiency in living, Valentine".

[Still, he can't hide his wonder and curiosity.]

Is it the room, then? If we've already found it, then it might be worth a bit of concern on how eager the school is to provide. Might be a bit of a voyeur.