"Sherlock!"
Sherlock played on, eyes closed.
John walked into the room, snapped a stray chopstick in half, and walked back out.
Sherlock immediately dropped his bow arm, though he continued fingering scales. After several minutes, he sighed and sauntered from the room.
In his bedroom, John smiled as he slept.
"Didn't fall asleep until after three. Bloody viol—Ben? What is that?"
"Toothpick!"
"Why…?"
"For the bow! I'm building my own violin, so that…"
"If you build a violin… I'll smash it!"
"You would really want to do that, Sean?"
"…Ben, could you build me a pair of noise-cancelling earmuffs?"