Adrian Monk: Police headquarters on Vinton Street.
Cab Driver: What are you doing, chief?
Adrian Monk: I'm with her.
Cab Driver: You gotta ride in the back, that's the rule.
Adrian Monk: Oh, I prefer to sit up front. It's one of my things.
Natalie: It's true, it's one of his things.
Cab Driver: Well, here's one of my things. Nobody rides in the front.
Adrian Monk: I'm afraid it's not negotiable.
Cab Driver: Who's negotiating? That's it, I'm out of here.
Natalie: Whoa, whoa, whoa, wait, wait! I'll give you 50 bucks if you let him ride up front.
Cab Driver: Why? What's he gonna do?
Natalie: Nothing, nothing. He's got a cluster of compulsions and phobias that manifest themselves in a variety of, you know... It's one of his things. He has things.
Cab Driver: $100.
Natalie: All right, 72. That's all I have.