Something's different: Jon has a identical twin brother

The stone grew warm in his hand as the answer suddenly appeared in his brain. Jon's eyes widened and his mouth dropped. *I have a twin brother.* "I have a twin brother!?" Jon exclaimed. Suddenly, the bedroom door flung open. Standing there was a boy identical to Jon. "When did you figure that out?" the boy teased. He quickly strode over and sat down next to Jon.