"This is incredible," Jon smirked. "So much for my flabby old body! I should try out for the swim team! Or better yet, the football team. I'd like to see the look on Biff's face when I join up." But, of course, since Biff didn't hear his wish, he wouldn't think there was anything odd about someone like Jon joining the football team. Jon was a jock now, so Biff would almost expect it.
After Zoe got out of the bathroom, Jon went to take a shower and get ready for school.
He must have been too excited, though, about his new physique, because he accidentally left the stone in his room. And as Jon was in the shower, someone walked into his room and grabbed it.