My younger sister Riko recently came to my house for advice because she seems to be worried about the distance between her and her husband. After I gave him some advice, he left with a clean face, but I was a little worried because Riko was originally a shy person. Then came my son Takashi. Takashi, who seemed to be listening to our conversation, told me an idea to deal with Riko's shy personality. It's an unexpected content...
