Jon suddenly froze in mid-step, then slowly turned around to face his Goth sister Zoe. Now, they were nearly the same height and almost looked like twin sisters, except for the fact that Jon wasn't Goth and also the fact that Jon had slightly larger breasts.
"I ... uh ... I'm a friend of Jon's," he said, thinking up a believable lie quickly.
"Oh," Zoe said, suddenly becoming disinterested. "Whatever." She walked past him and down the stairs. She was probably planning to leave the house with her friends to go that club she liked.