In table "pets", you've got 3 pet ID columns: "id", "pet_id" and "pet_pet_id". "id" is the id for a user's pet, "pet_id" is the ID for a kind of pet (i.e. pets.pet_id references pettable.petnum), and then there's "pet_pet_id"... What's "pet_pet_id"? It's really hard to understand you when you...