Haley Bosselman editorQuentin Tarantino knows that once you’ve reached the top, the only option is to go down.While promoting his “Once Upon a Time in Hollywood” novel on “Real Time With Bill Maher” on June 25, Tarantino confirmed he plans to retire after making one more film.“You’re too young to quit and you’re at the top of your game,” Maher pushed.“That’s why I want to quit,” Tarantino said over a cheering audience.