Certain personality traits can determine how happy you are, sometimes more than income and IQ. That’s according to author and journalist Olga Khazan. Hoping to shed some of her more neurotic personality traits, Khazan recently set out to change her personality for the better… and succeeded. Today, Khazan tells us how. Plus: we hear about another recent discovery — why Khazan thinks she might be “doomed to be a tradwife.” 

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