Today's Pet Talk explores some common misunderstandings. Does your dog really "know it's wrong", do it "out of spite", is "protecting you", has "fear" aggression, or separation anxiety? Is it really a bad reflection on you or your dog to get kicked out of doggie daycare? Callers today wanted help with a 7 year old cat who keeps attacking a 22 year old cat, and a Maltese who likes to terrorize other dogs and people.