With Sarah "out of the picture", so to speak, one of her friends took it upon herself to fill in the void left by Sarah's presence. Her name was Melissa Smith, and as it turned out, she was almost as much of a bitch as Sarah was.
Jon wondered if he should use the stone on Melissa, just like he used it on Sarah earlier. Or maybe he should use the stone on all popular girls. That way if Melissa was "gone", like Sarah, then no one else would take her place.
He thought about it, then decided to ...