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Cesar takes on three dogs whose obsessions have led to a disquieting life for both the canines and their owners. Obsessive dogs are some of his most challenging cases because he must assess a dog's psychology, not just correct a behavior. Cesar works with Ringo, a pointer mix with an obsessive fixation on pinecones. Abbie, an Australian shepherd, whines loudly every time somebody turns on the vacuum, opens the junk drawer or pours wine through an aerator.