Do you ever get the feeling that you annoy your cat? It turns out that cats have pet peeves about some of the things their humans do. With that unmistakable feline body language, it is easy to tell what is upsetting your cat. Dirty litter boxes, for instance, are sure to earn you the death stare. By actions or attitude, your cat asks incredulously, "Do you expect me to go in there?" Get the scoop as eBay explains the three things every cat hates.