Season 8, Episode 16: "The Pothole"

Being really clean and happy?

Jerry, you have tendencies.

They were always annoying, but they were just tendencies.

But now, if you can't kiss this girl, I'm afraid we're talking disorder.

- Disorder? - And from disorder...

...you're a quirk or two away from full-on dementia.

That could hurt me.

Hey, there it is.