What about a middle-aged family with no sons but only daughters?

To put it bluntly, only daughters who don't have sons will usually find a son-in-law, but how many are willing to be son-in-law? Even if you come to the door, 99% are divorced. If you are a woman, everyone knows that your daughter-in-law doesn't agree, because you married your man, and I don't believe that you have a good relationship with your mother-in-law. Very few, of course. If you are a man, you will wonder if you will be despised by your mother-in-law Because you came. . Men also need to get pregnant. . .