Whose mother-in-law buys two kinds of dishes every day when she goes out.

There must be some disharmony between the old man and his daughter-in-law. It's best to let her husband come out to adjust, or you can buy it yourself if you want to eat. You said here that your mother-in-law bought two kinds of dishes. Maybe her mother-in-law still thinks that you haven't given her living expenses or it's very tiring to buy food and cook for you every day. I can't live together It's such a trivial matter.