9. They take care of children
Another of the secrets of centenarians is that they are good with children. Even as they age, they take care of their kids. They do not leave the kids in the hands of strangers. These centenarians are good parents and provide for their kids, even as they grow older. They also have strong relationships with their other relatives. They get along well with everyone because they respect everyone and consider each person as a member of the family.