The challenge word is ball. I only own my stories, not Supernatural itself.
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Dean sat in one of the chairs in the war room, throwing a ball at the wall, watching it bounce off, hit the floor, and bounce right back at him.
In the library, Sam was doing his usual research, all while countlessly being annoyed by his brother throwing the ball then catching it, throwing the ball and catching it.
Then it became so unbearable that Sam called out to Dean, "Dean, stop that, that's getting annoying."
Those words surprised Dean so much that he fumbled after throwing the ball, and he failed to catch it. He hung his head, defeated.
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