Season 3, Episode 17: "The Boyfriend"

When you're moving, your whole world becomes boxes.

That's all you think about, is boxes. Where are there boxes?

You just wander down the street, going in and out of stores.

"Are there boxes here? Have you seen any boxes?"

I mean, you can't even talk to people because you can't concentrate.

"Shut up! I'm looking for boxes!"

So after a while, you become really into it. You can smell them.

You walk into a store: