Forty-year-old men are more stable than thirty-year-old men and more funny than fifty-year-old men. They are mature, wise, successful in career and happy in family. This period is their golden period. However, from a physiological point of view, it may be a different picture. A man in his golden age may be going through or preparing to go through an important physiological transition period. At this time, he may be in trouble and cannot get rid of it. Careful family members will find that he seems to have become strange, anxious and irritable all day long. What happened to what? In fact, this is a clinical syndrome associated with male age growth. I remember one afternoon, a middle-aged couple came Read More …