Why do human beings seek vengeance? (And is it really a dish best served cold?) Can you really be friends with the opposite sex while married? (And is single-sex education a good idea?) Does intermittent fasting actually work? (And what does it mean to be hangry?) Also: ruining a real estate guy; canoodling at The Bear; threatening four-year-olds; fiber jealousy; Pout-Pout Fish; and Mina's many impersonations.

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