The father-in-law helped his son take care of his sick daughter-in-law.

Even though my son was married, he still played around instead of working. Even if I introduced him to a job, I would immediately give up. Hinata was a beautiful and talented wife who was not worthy of such a son. I had assets and was helping my son and his wife with their living expenses. One day, my son and his wife came to stay. And Hinata and I were a natural progression.

The father-in-law helped his son take care of his sick daughter-in-law.