As people get too old, they find it difficult to even do daily chores at home.
Such people especially, require a helping hand. Animals can be trained to become great domestic help.
Along with helping they also can provide great companionship.
The most preferable pets are dogs.
Cats are kept as pets to provide company to people like senior citizens.
Who are stressed out or are heart patients, blood pressure patients.
So as to help them beat stress.
Even exotic pets such as capuchin monkeys are trained for this purpose.
Not only are they big help for senior citizens but as well as for the physically handicapped.
Such as blind people and quadriplegics.