What grade would we get as an alien's homework? Was your feud over YouTube comment signatures? How do you write an email? Can trees make clouds? How do I make it to the bathroom when the middle seater sleeps? Is it okay to buy used books? Hank and John Green have answers!

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If you're in need of dubious advice, email us at [email protected].

Join us for monthly livestreams at patreon.com/dearhankandjohn.

Follow us on Twitter! twitter.com/dearhankandjohn