On this episode of Please Be My Girlfriend David and Roman are joined by the talented and charming Alison Becker (Parks and Recreation). David shares his knowledge of the scientific effects of love, Roman feels judged for his dislike of John Lennon and Alison reveals her love of Justin Bieber, making “Beliebers” of David and Roman. Also Ben Franklin invents lightning, bra-size guessing, tear jerking movies about dogs and magicians.

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