Jim: Your friends will die if you don't.
Sherlock: John.
Jim: Not just John. (whispers dramatically) Everyone.
Seb in Jim's headset: *snicker* it's three people you drama queen.
Sherlock: Mrs. Hudson.
Jim: (whispers, grins dramatically) E v e r y o n e.
Seb in Jim's headset: *giggles uncontrollably*
Sherlock: Lestrade.
Seb in Jim's headset: (a mocking falsetto) e v e r y o n e~!
Jim: (turns to glare at a particular window where his boyfriend has collapsed in giggles)