And why is it that middle-aged men are among the most likely to have affairs even though their sex drive is not so strong as it once was? Li Liang-che, a professor of psychology at National Chengchi University, points out that the biggest problem for middle-aged couples is boredom.
中年男性，明明性慾衰退，為什麼會是外遇的高危險群呢？面對這種矛盾，政大心理學系教授李良哲解釋，中年夫妻的最大問題就是「倦怠」。