When children lack information, they make up stories by adding up their own guesses. Their imagination can run wild: all elephants are pink, right? This kind of reasoning is undesirable when trying to explain a rare disorder of a sister or brother. Guesswork may result in incorrect illness explanations and might cause related miscommunication or behavioral problems. When we learn more about how siblings describe illnesses, we might be able to appropriately assist family counselors and parents.