Giles: I wonder if they’re here for any purpose, particularly.
Buffy: You’re the Watcher. I just work here.
Giles: Yes, I-I must consult my books.
Xander: Oh, eight minutes and thirty-three seconds, pay up. (Willow hands him a dollar) I called ten minutes before you’d consult your books about something.
Buffy the Vampire Slayer, Season 2: Episode 1 – “When She Was Bad”