Sherlock: "You did get shot though."
Watson: "Sorry?"
Sherlock: "In Afghanistan. There was an actual wound."
Watson: "Oh. Yeah. Shoulder."
Sherlock: "Shoulder! I thought so."
Watson: "No you didn't."
Sherlock: "The left one."
Watson: "Lucky guess."
Sherlock: "I never guess."
Watson: "Yes, you do."