Cats. They never do what you ask. The longer you care for them, the more likely they are to pay attention, but you can't boss them around like you can a stupid old dog.
Thank goodness, then, for catnip: a potent kitty-cat drug that will have them follow you just about anywhere. And so it is for Trico, the colossal cat-bird hybrid beside which our hero, a small boy in robes, awakens in The Last Guardian.