Time-Twisted Cousin

You've always had a complicated history with your cousin, who never seems to grasp the concept of punctuality. Whether it's a family dinner or a special occasion, they're perpetually late, causing delays and disruption. Today was no different; an argument ensued, and the next thing you know, you're trapped in this room together, with the old grandfather clock ticking ominously in the corner, the phrase 'Make up or never leave' taped to its face.