Are you obsessed with obsession? Have you ever blurred the line between love and infatuation? In "Obsession," we'll delve deep into the history, culture, science and often deadly consequences of unrequited love. You'll learn what makes someone turn pathological and hear from real people who have experienced both sides of obsessive relationships -- and they're more common than you might think. This podcast series is funded by Focus Features and produced by LA Times Studios. The Los Angeles Times newsroom was not involved in the creation of this series.