Did you know that Quentin Tarantino loves movies? The auteur's body of work is marked by its love of cinema, with metatextual references and in-story character loves of the medium -- to the point where the way we stopped World War II in Tarantino's history is literally with filmstrips. In his latest work, the Oscar-nominated Once Upon a Time... in Hollywood, this love of the silver screen became about as explicit to the plot as any of his other films, telling the story of an aging actor (Leonardo DiCaprio), his loyal stunt double (Brad Pitt), and a …