Chien notes that people most need connubial relations between the ages of 20 and 50. When people feel lonely and can't stand it any more, they begin to come up with excuses and may very possibly move toward having an affair.
簡春安指出，二十歲到五十歲的年紀正是生理上最需要夫妻關係的時刻，寂寞難耐時開始有了藉口，很可能逐漸演變成外遇事件。