How does something absorb light? How do I handle losing four marks? Is it okay to disagree with movie reviews? Can I just take ice cream? Is it bad luck to open an umbrella in a car? Hank Green and Brennan Lee Mulligan have answers!

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

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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