At age 25, Divergent writer Veronica Roth has already sold more books than most authors could dream of selling in a lifetime. We sat down with Veronica in LA just days before the movie based on her first novel hit theaters to talk about the college class that inspired it all, whether stars Shailene Woodley and Theo James lived up to the image of Tris and Four she had in mind, and the scene in the film that took her breath away.