My father-in-law has been depressed since the death of his mother-in-law three years ago and now seems to be suffering from erectile dysfunction. Since then, he has been trying every day to cure his erectile dysfunction by various means, including taking supplements and exercising, but there is no sign of improvement. Seeing him make such a serious effort, he said, "I don't want to worry my mother-in-law in heaven". I couldn't help but think about treating him from a psychological point of view...