"You're a drama queen!"<---- Sherlock's face is the best "I am not! Oh, well, maybe." Sherlock the drama queen.
Possibly my favorite John and Sherlock scene
Reg: "Welcome to Salty Spitoon. How tough are you?" Popeye Fish: "How tough an I? I cut my toenails last night." Reg: "Yeah so?" Popeye Fish: "I ate them." Reg: "Right this way sir! Sorry to keep you waiting!"