Desperate

So... this is what happens if cigarette-deprived-Series-1&2!Sherlock doesn't get his ridiculously superpowerful brain something to ponder.....and John, to his credit, though he certainly seems uneasy, still looks far less worried than most people would be XD

I love that the Skull is near his elbow, just pointed away from the whole thing, as if to say "I'm not getting involved in this!"