Some of them feel lonely and want to
have a living being beside them.The others earn money raising popular breeds of cats and dogs.
There are also special cases like having a dog to protect your house or to help the blind; picking up sick animals and taking care of them.
But the majority enjoy pets just because they are real fun.
It is great to have such an active and always ready to play friend.
Besides it is an open secret that animals can cure people for many illnesses.