People love to keep animals at home for safety, time pass, love and continuously take care of them because they love to spend time with them. Having a dog in home will gave you security and protection from any unknown danger of thief. But there is some cons of having a pet in home because you cant allow your children to go close to them. Many of the people in the world having a big cats, lions, bears and anaconda at their homes that are really dangerous. Few of the people said if Mermaid exist we will keep them in home.