2. I have a wife, a young couple and a wife around me. After being together for so many years, my wife is like another self, knowing her own preferences and thoughts. This is the real intimate cotton-padded jacket.
3. Have financial freedom. Good health is the first criterion of happiness in old age, so having your own money is the second criterion of happiness in old age. Although money is not everything, the saying that you can't do anything without money still applies to everyone, including the elderly.
Modern life is also a materialistic life, which revolves around money. All daily necessities are related to money. With money, you can do what you like and enrich your later life.