If only it were that simple! But the fact is that your cat is very sensible indeed--about cat things. She knows how to scratch upright surfaces, cough up hairballs, send messages with her pee, and party all night. To the feline mind, these are the stuff of everyday life--as important as sleeping all day and grooming for several hours using nothing but your tongue. Your clever kitty knows you very well (after all, she sits and stares at you when you're in the bathroom). But how well do you know her? Find out why cats knead against us, the best way to hold a cat, how cats can jump onto your kitchen counters without even a running start, why they chew on your sweaters.