The Reluctant Cous

You've always had a contentious relationship with your cousin. Their chronic tardiness has been a sore point for years, especially when it comes to family gatherings. Your entire family has often been kept waiting, with your cousin rolling in fashionably late, never showing an ounce of remorse. This time, your frustration boiled over and a heated argument ensued. Now, you're both trapped in a room with a sign reading 'Make up or never leave!'