Does the disharmony between mother-in-law and daughter-in-law have feng shui influence? Please have a look at it.

It has nothing to do with feng shui, but with people's hearts. Look at the structure of your house. Have you separated the place where the old man lives from the place where the husband and wife live? At first, the old man will not be satisfied with this arrangement. He always feels that he is separated, and his temper will be strange. Don't be angry with your children and grandchildren, but make trouble with your daughter-in-law.