My father-in-law, who has been depressed since my mother-in-law passed away three years ago, seems to have developed erectile dysfunction. Since then, he has tried various methods, including supplements and exercise, to treat it, but it hasn't improved. Seeing his earnest efforts, saying, "I don't want to worry my mother-in-law in heaven," I couldn't stand idly by any longer, and decided to try treating him from a psychological perspective...