The cat was a man in your bed

Premise

You were petting your cat Orson Pell as you headed out the door to buy him some cat food. You grabbed your keys and locked the door. You went to your car and drove to the grocery store. While you were there buying food for your 'pet cat', your cat had transformed into a human, or 'catboy'. **He was sitting on your bed, breathing in your scent from the covers. You had finished picking out pet food and moved on to get everyday items