in the first place, people enjoy the companionship of cats. many cats are affectionate. they will snuggle up and ask to be petted, or scratched under the chin. who can resist a purring cat? if there're not feeling affectionate, cats are generally quite playful. the love to chase balls and feathers, or just about anything dangling from a string. they especially enjoy playing when their owners are participating in the game. contrary to popular opinion, cats can be trained. using rewards and punishments, just like with a dog, a cat can be trained to avid unwanted behavior or perform tricks. cats will even fetch !