Season 9, Episode 3: "The Serenity Now"

She probably gets that impression because you're cool.

You're under control. Like me. Nothing wrong with that.

But I get upset. I've yelled. You've heard me yell.

Not really. Your voice kind of raises to this comedic pitch.

Kramer, I am so sick of you coming in here and eating all of my food.

Now, shut that door and get the hell out of here.