Penny: Hey, you ready to go?
Leonard: Hang on.
Penny: What are you doing?
Leonard: Oh, I found a scratch-and-sniff book about wine tasting. It teaches the different flavor notes to look for.
Penny: You actually smell the wine?
Leonard: I mostly just smell my nasal spray.
Penny: Are your sinuses acting up?
Leonard: Since my preschool got a bunny.