Episode 3 of an exclusive 6-episode series. In this episode, we talk contagious emotions, how emotions are passed from one person to another, like a contagion. We catch emotions from each other, partly because of empathy. Partly because of mirror neurons that pick these things up from other bodies, partly because evolution valued the trait.Empathy has evolved with us over time and can be contagious, like any other emotion. Fear is contagious. I'm sure you've realized. Grandiosity ...