Xander: Willow! You’re so very much the person that I wanted to see!
Willow: Oh, really?
Xander: Yeah. You know, I kinda had a problem with the math.
Willow: Uh, which part?
Xander: The math. Can you help me out tonight, pleeeease, be my study buddy?
Willow: Well, what’s in it for me?
Xander: A shiny nickel!
Willow: Okay. Do you have ‘Theories in Trig’? You should check it out.
Xander: Check it out?
Willow: From the library? Where the books live.
Xander: Right, I’m there! See, I wanna change…
Buffy the Vampire Slayer, Season 1: Episode 1 – “Welcome to the Hellmouth”
