Cats and dogs have different ways of showing their feelings. If dog barks, you know someone is at the door of your house. But cats never do that, Although both of them wag their tails, it means different feelings. If a dog wags its tail, you know it’s happy. However, when a cat wags its tail, it is angry. They also lick their owners. It is a way that dogs show their love for their owners. If cats lick your hands, they just want to eat the salt on the hand. To show that they love you, they may sit beside you.