Suddenly, Jon's mom's point of view changed and she immediately knew why: she had swapped bodies with the telemarketing girl. Now, she had the 20-year old girl's body and the girl had her 37-year old body.
When the girl (now in Jon's mom's body) saw what had happened, she immediately said "I wish you would go back to your telemarketing job." And in an instant, Jon's mom (now in the girl's body) vanished from the room and appeared at the telemarketing office that the girl disappeared from only moments earlier.
The girl stood up and looked around Jon's house, getting a feel of where she was. Then she looked down at the rock in her hand, realizing that it could grant wishes. She thought about all the things she had always wanted and said "I wish ..."