纽约市的一对夫妇,婚后10多年一直有着丰富的、圆满的性生活。但是当丈夫三十八九岁以后,他就很少带着感兴趣的眼光来欣赏他的妻子了。当她犹豫地试图跟他丈夫谈性生活的时候,他也马上改变了话题。性已经成为一件无所谓的事情,他们之间一度曾经很牢固的关系也出现了裂痕。加利福尼亚州的另一对夫妇已经40多岁了,他们的性生活也起了变化,但是变得更好了。确实, New York City, a couple, has more than 10 years of marriage has a rich, successful sexual life. But when the husband was thirty-eight years old, he rarely admired his wife with an interest. He also changed the subject as she hesitated to try to talk to her husband about sex. Sex has become a matter of indifference, and a once-strong relationship between them has also been rippled. Another couple in California is in their 40s, their sex life has changed, but things have gotten better. indeed,