"With directing, you have to wake up early, which stinks, but you get to hang out with the crew, you're laughing, you're active, and you're working with the actors. It's just more fun than writing. Writing is very hard."

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But when there were certain moments or scenes that required a very specific nuance or performance, I myself would act out the scene or the sequence and that would inspire the actors. Of course, I can't really express emotions on camera, but I was very active in showing a certain action or a blocking for an actor. I would also participate in certain stunts myself and because of that, I would get bruises or cuts on my knees and elbows.

— Kim Jee-woon