Everyone knows that there is an old man at home. If there is a treasure, what is the second sentence?

What is the second part? A family is like a thief? . The second half of the sentence is just the opposite of the first half. It means that although there are old people at home, they are not very good-tempered, and some still rely on the old to sell the old. They often quarrel with their children over trivial matters. If there are such old people at home, it will affect the family's harmony.