Jered shaves his head. Jered and Esther discuss phone shaming. Esther has a scientific discussion about the difference between alligators and crocodiles. Jered discusses what he wears under his karate gear and distracts Esther with his legs. Jered and Esther learn all about phenylalanine, phenylketonuriacs, and folks who make baby formula with Diet Coke (hypothesis).