Darren Aronofsky's 1998 thriller about a math genius plagued by debilitating headaches and delusions of paranoia might hit close to home if you're a fan of numbers. "I get cluster headaches and am a mathematician, so my buddy thought it was a top-notch plan to show me this movie," user in_paris_and_london wrote. "That scene in the subway was so accurate, I almost passed out just watching it."