WHO ARE WE? Personality researcher & psychology professor Dr. Simine Vazire dishes about introverts, extroverts, self-esteem, sociopaths, neuroticism, conscientiousness, Buzzfeed quizzes, yearbook inscriptions, trusting people, screwing up your kids, acting like your parents, changing personality traits through therapy or medication and astrology being put to the test. Also, Alie finds out what kind of dog she is.

Dr. Simine Vazire on Twitter

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Dr. Vazire's podcast, The Black Goat

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Sound editing by Jarrett Sleeper of MindJam Media & Steven Ray Morris

Theme song by Nick Thorburn

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Together: The Final Episode