High-risk behavior The strength of a given person's immunity to adultery serves as a barometer of that individual's degree of satisfaction in marriage. But immunity is best not put to the test. It is important to steer clear of dangerous situations, for how many of us would dare compare ourselves with the chaste Liu Xiahui of antiquity? And we can't expect our partners to be saints either.
多走夜路必遇「鬼」外遇免疫力，可以反映出每個人對婚姻的滿意度；與這個因素同等重要的，則是要小心避開某些「險境」，畢竟歷史上只有一個柳下惠，以聖賢的標準去要求另一半是不切實際的。