How did the daughter-in-law in the 1970s get along with the illiterate mother-in-law in the 1930s?

You said my mother-in-law is illiterate, so a daughter-in-law should:

1. If your mother-in-law doesn't know anything or doesn't do well, then teach her as much as possible!

Don't despise your mother-in-law just because she can't read!

3, be more tolerant of your mother-in-law, and try not to be as knowledgeable as the old man!