Quote from Captain Stottlemeyer in Mr. Monk and the Three Pies
Captain Stottlemeyer: So, this is where you guys grew up, huh? Adrian Monk: That's right. Captain Stottlemeyer: What's with the filing cabinets? Adrian Monk: Mail. Captain Stottlemeyer: Mail? Sharona: Thirty years' worth of mail. Captain Stottlemeyer: Okay. That makes sense. Not to me, but...