Crystal screamed at the realization that she had been, for all intent and purposes, playing with Nathan's genitals, and she pulled her hand away quickly, as a child might do after accidentally touching a hot burner. But, like a cruel mother who thinks that her child hasn't quite learned their lesson yet, Nathan grabbed her hand and held it where it was.

"Who's there?" Crystal shouted as she tried to withdraw her hand.

"It's me," Nathan replied, and then he began to laugh. "Who ...