Keaton taught her "Godfather" co-star how to drive, Keaton says, before they filmed the scene in which Keaton's character Kay tells Pacino's Michael Corleone that she got an abortion. "He kept his foot on the gas pedal no matter how many times I told him to press the brake if he wanted to stop," Keaton writes. "This made for a lot of laughs but a very uncertain ride."