"What's that?"

"It's a lavalamp."

"How do the lumps move? What the hell is it? Ectoplasm?"

"I don't know, I don't know, no."

"You're useless, Potter."

"You can't cook, clean, or eat without complaining. Don't tell me I'm useless, prat."

---

Hmm... yeah... um...

 I shall be an economist when I grow up, and I shall be rich, and I shall be famous, and I shall always be correct about anything. In other words, I shall rule the world with my pure powers of The Global Economy.

...

SNORT.