Niles: Do you ever intend to listen to any of the others?
Frasier: Don't know.
Niles: So, why is it so important to you to have each and every one of them?
Frasier: Because it's a collection, Niles. That's what a collection is.
Niles: Is it possible that a harmless collection has become an unhealthy obsession?
Frasier: It's, it's just a hobby. All right?
Niles: Or an obsession.
Frasier: An eccentricity.
Niles: Or an obsession.
Frasier: You know, it's a quirk. That's it, I'm quirky. I'm delightfully quirky.