Q: My cat makes an odd crying sound right before he's about to throw up. This can't be something that they do in nature. Why does he do it? A: Ah, the joys of cat behavior. Mine will do this, too.

Cumberland Valley Animal Shelter answers your pet-related questions. Hairballs a gross, but a fact of life when you have cats. A reader wonders why her cat literally walks all over her when they go to ...