John (in Sarah's body) awoke to find the window open. Sarah apparently made a clean getaway.
"Damn," thought John, but it was at that moment he noticed something on the floor. Aparently when her body shifted, the rock must've fallen out of her breasts. John picked up the rock. He looked down to notice Sarah's body wearing his clothes and couldn't help but wonder what problems Sarah had gotten his body into.
"Better try to figure this out and fix things," John said, "I wish..."