Grateful dogs are better than ungrateful people

Dog is an animal with dominance. If you take good care of a dog. She can do everything for her owner. He can even give his life. Dogs are usually raised by people to guard the house. He also kept dogs as a hobby. There are many breeds of dogs. Different breeds of dogs look different. As can be heard in people's mouths, a grateful dog is better than an ungrateful man. This is actually true.