Keeping animals as household pets gives hours of happiness and joy to human beings. Dogs and cats are the most common among animals that become valuable members of families and households. Research has shown that keeping pets is beneficial to human beings in many ways. They help in the physical and psychological well being of their owners. Pet dogs are the best friends of human in many ways. They provide companionship to their owners and ensure that they are never lonely. They are a source of comfort to their owners when they are depressed or unhappy. Dogs as pets become friends to their owners and are always there for them. Dogs greet owners enthusiastically after a hard or stressed day making them feel better instantly. Owners of dogs live longer because they take regular exercise with their pets. Walking the dog helps them improve their own health and that of their pet. Research has also found that owners of pets are healthier than others. Their presence is enough to lower blood pressure stress and cholesterol in human beings. They also aid the speedy recovery from illness. Research has revealed that owners of pets use fewer prescription medications than those who do not own a pet. Differently abled people benefit by keeping pet dogs. They have proved excellent as guides to those with visual disabilities. Dogs can be trained to sense the needs of their disabled owners. Dogs have helped to keep their owners safe from uninvited intruders into their homes ever since human beings domesticated them. Pets also provide a source of joy for all members of the family regardless of age or gender. Keeping household pets is one of the best and most inexpensive ways of helping human beings stay mentally and physically fit and safe.