Five years after marrying my husband, who was my classmate, I started living with my father-in-law, who had become ill after retiring and found it difficult to live alone. Eight years ago, I was a student in my father-in-law's class. At that time, I had lost my father to illness and was mentally unstable, so I fell in love with my father-in-law, who gently encouraged me. However, because we were teacher and student, I gave up on my father-in-law and started dating my husband. I married my husband because I loved him, but...when my father-in-law was around, the feelings I had back then started to waver.