You think about the idea for a while, and while the idea to be an animal or to be half an animal was intriguing, it wasn't something that you truly wanted to do. Then the idea of changing someone else came into your mind and you thought about it for much longer. You knew who deserved to become an animal or half of one. Your ex-girlfriend.
Your ex-girlfriend was a user, using people to get what she wanted, she was definitely a sociopath. You once walked into a room where she used someone else to cheat, both you and the man she cheated with didn't know that she was cheating on both you and the man. She deserved to have some payback, and what better payback than using a genie to fulfil your wishes.
The genie tapped you on the shoulder, a bit of cigar ash landing on your arm. "Hey, kid, have you decided yet?"
You stand up "Yes, I have. I wish that my ex-girlfriend would change into..."