Even if Billy still thought a hypotenuse was a dinosaur.

Sheldon picked one up. “The grammar is atrocious. But the statistical randomization is… oddly compelling.”

For the next hour, an unlikely peace held. Sheldon calculated the parabolic trajectory of a dust mote caught in a sunbeam. Billy arranged hymnals into a fort. They did not speak. They did not fight. It was, Sheldon realized, the most efficient collaboration he had ever experienced.

Billy opened the box. Inside were normal Monopoly pieces—except the Community Chest cards had been replaced with handwritten curses like “You have been possessed by a mild cold” and “Go directly to Purgatory. Do not collect $200.”

“A broom closet,” he said quietly. “You’re sending me into a broom closet with the boy who thinks ‘hypotenuse’ is a type of dinosaur.”

Billy tilted his head. “Like a trade?”