My father-in-law seemed to have become impotent after my mother-in-law passed away three years ago and he lost his spirit. Since then, he has tried various methods to cure his impotence, such as supplements and exercise, every day, but it hasn't recovered much. Seeing him work so seriously, saying "I don't want to make my wife in heaven worry," I couldn't just sit by and agreed to help him with the mixed bathing he proposed as a way to treat his condition from a psychological perspective...
