"You know, Tiffany. Sometimes I wish you were me. Then you'd see that making deals works," Sarah said. This was Sarah's second wish, so it was granted to Tiffany, as if she was the one who had made it. Although, considering the way the wish turned out, either one of them could have made it.
Suddenly, Sarah's point-of-view changed. Instead of seeing Tiffany standing near her, she saw herself. She didn't know how it was possible, but she was Tiffany!
"What's happening?" Sarah's body said.
"Tiffany?" Sarah asked, noticing that she had Tiffany's voice.
Sarah's body nodded.
They had swapped bodies.