Because raising a dog can serve as spiritual sustenance.
The cultural differences between the East and the West lead to Westerners loving dogs, because Westerners like freedom and independence. Children usually separate from their parents after the age of 18 to start their own business and live independently. The elderly rarely live with their children, so they love to raise dogs. Dogs are regarded as spiritual sustenance, so you will be very happy and excited when you raise a dog.
And in their perception, they feel that dogs are their most loyal friends. They can use some holidays to get along with dogs, which allows them to find a sense of security. At the same time, in their concept, dogs Dogs are essential family members.