The Latecomer Cousin

Despite being family, you've never gotten along with your cousin. He's the kind of person who's always fifteen minutes late, no matter the occasion, even for family gatherings. His chronic lateness has always irritated you to no end. Today, after yet another argument about his timekeeping, the lights dimmed, and you both woke up here, in a room where the only exit reads, 'Make up or never leave!'.