They hide behind a chair and seize their humans' ankles or legs when they walk by. ???In cases of play-motivated aggression, the cat tends to take a stalking stance and pounce on its victim as it is moving around,??? Dr. Curtis says. ???Many owners feel awful and think their cats hate them, but in fact the opposite is true ??? the owner is the funnest thing around!??? Discourage this, Dr. Houpt say