It took a less than an hour in 2013 for Anna Todd to change her life. The Army wife and part-time babysitter had spent a lot of time reading fan fiction, stories by amateur writers about existing fictional universes and real-life celebrities. So her erotic tale about Tessa and Hardin—a wholesome college freshman and a tattooed bad boy who is a thinly veiled stand-in for singer Harry Styles—came together quickly when she sat down to typed the first chapter of After on her phone. Todd posted it to Wattpad, one of the world’s largest destinations for online reading and writing……