Riggs: I can't shoot a dog. People? Okay, but not dogs.
Roger Murtaugh: I knew you couldn't stop smoking.
Martin Riggs: I'm only smoking to take my mind off my dog biscuit problem.
Roger Murtaugh: What dog biscuit problem?
Martin Riggs: Well I've been chasing more cars lately and y'know, when I try and lick my balls I keep falling off the couch.
Martin Riggs: He's done this twice, oh, damn! I'm gonna suck his eyes out through his nose!
Jack Travis: Hi Billy. Bye Billy. (00:34:20)
Delores: You tell Sergeant Murtaugh that he's the jam in my jelly roll.
Riggs: We're in the middle of a case...of scotch.
Lorna Cole: Cover me!
Roger Murtaugh: Cover you? Who's going to cover me? Cover me! Cover him! Cover everybody! When is someone gonna cover me for a change?
Jack Travis: Go to hell, Riggs.
Martin Riggs: You first.
Lorna Cole: Are you trying to bait me, Riggs?
Martin Riggs: I'm a master of it.
Lorna Cole: Now, that I can believe.
Lorna Cole: Police, freeze!
Hatchett: Oh Christ, another one? We need a new fucking dog.
Martin Riggs: You have the right to remain unconscious. Anything you say ain't gonna be much.
Roger Murtaugh: I hope that when I do retire your new partner is just like you.
Martin Riggs: That won't happen to me because there are winners and there are losers, and God wouldn't do that to me.
Riggs: We can't shoot a dog. People? Okay, but not dogs.
Roger Murtaugh: I got 8 days to my retirement, and I will NOT make a stupid mistake!
Martin Riggs: Look, there is no bomb in that building! I will bet vital parts of my anatomy to the fact! Trust me, okay? Trust me!
Roger Murtaugh: That's usually my first mistake!
Answer: She didn't want him to see that she was a fan of those comical idiots. She was supposed to be a tough nonsense internal affairs officer. She was in fact his soulmate, exactly like him, wild and crazy.