I learned about the quirkiness of habits from a hypnotist who helps people quit smoking. He told me to imagine a fourteen-year-old boy at a party. The boy sees a girl he wants to talk to, but he’s afraid. He tries a cigarette to steady his nerves, and it works! The girl returns his affection, and his happy chemicals flow. The reward is huge because it’s so relevant to “reproductive success.” The neurochemical spurt creates a huge link to his mammal brain that says: Cigarettes promote survival. Of course, the boy doesn’t think this in words, but the next time he needs confidence in the face of
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