A wife returned to her parents' house to give birth. It was the first time I lived alone in a long time, and I was about to go crazy. My sister-in-law came to my house whether I knew it or not. "Brother-in-law... Aren't you trying to cheat?" When I couldn't hide my discomfort in front of my sister who suddenly went to my core... "I'll handle it for you so your brother-in-law won't cheat..." hand...