Witchcraft

Taylor had warned his sister not to play around with witchcraft, so he gave her such a hard time when a spell randomly swapped their bodies. She insisted that she couldn't be seen in his ugly, fat body and sent him to the store in her body to get the needed ingredients. On his way back, Taylor stopped in his tracks. Why would he want to go back to his old body? He dug through the contents replacing one spice with another to sabotage the spell that would return them to their own bodies...