SHELDON: "The thermodynamic miracle of a shared silence."

Amy enters with takeout. Howard and Raj follow, arguing about Marvel vs. DC.

Amy runs up, crying, laughing.

For the first time, Sheldon doesn’t argue. He looks at Leonard across the restaurant—laughing with a stranger. And Sheldon feels it. A sharp, physical ache.

Sheldon doesn’t correct her. INT. CALTECH ROOFTOP - NIGHT (HOUR 71)

He panics. Tries to "amplify" the signal by overloading the machine.

Leonard blinks. Uncomfortable.