The Pros And Cons Of Pets The relationship of pets and people are very close and friendly nowadays. More and more people like to keep pets, too. Pets could give them more happiness and blessing. Because people play with pets is a good way to interact with nature. Furthermore, pets could pacify old people, who live alone. They couldn’t feel alone with pets. On the one hand, keeping pets is harmful to environment protection. Because they usually make much noise and stain the roads. The other hand, maybe the viruses of pets could result in fatal diseases. Most important, maybe pets in a bad mood could attack people. So, we had better not to keep too many pets that ensure to our health and safe. Moreover, the enthusiasts of pet must do something to stop their pets attacking people and staining our environment.