It's a brilliant conversation starter, I do believe I have used it before - not because Sherlock did, but because it's all I could think to say. I'm not exactly great at small talk…haha <-- pretty sure this is a sheldon cooper quote actually
Lestrade: So that is an average day for you. Mycroft: Indeed. Lestrade: You disrupt traffic and save the world. Mycroft: This is correct. Lestrade: And you cry. Mycroft: Certainly not. Lestrade: You said- Mycroft: I’M THE BOSS.