Jeremy laughs. Missy smiles. She sits on his porch step, and for the first time, she doesn’t feel like "Sheldon’s twin." She feels like Missy. 1. The Curse of Comparison Sheldon’s entire identity is built on being more —more intelligent, more logical, more correct. Libby introduces the terrifying possibility that he is merely as . The episode argues that comparison is a thief of joy, but for Sheldon, it’s a thief of selfhood.

Libby writes the same answer. But she adds: "+ C, if indefinite." She then looks at Sheldon and says, "You forgot the constant of integration, Sheldon. That’s a rookie mistake."

Sheldon: "You see a therapist? Fascinating. What diagnostic—"