I was worried about my mother-in-law, who became single after my father-in-law passed away, so I consulted with my husband and decided to live with the three of us. She gets along well with her mother-in-law. That's what I thought, but she started meddling in my housework, and before I knew it, a subtle hierarchical relationship had developed between her and her mother-in-law. One day, I was ordered to play the piano by her mother-in-law because she was clumsy. When….
