‘In 2009, she published The Narcissism Epidemic, a follow-up written with another of Baumeister’s former students, W. Keith Campbell. Twenge claimed that narcissism among Americans was rising at the same rate as obesity, and documented how the mantras of the self-esteem movement had begun infiltrating churches, with God himself being redrawn in our new self-obsessed image. Pastor Joel Osteen, for example, preaches in Lakewood, Houston, at the biggest church in America. “God didn’t create you to be average,” he tells his congregation. “You were made to excel.”’