一个女实验员,新婚尚无孩子,她与大专同班同学暗恋着,终因无缘而无果无终。她现在的丈夫是一个大学的数学教师,为人正派严谨,埋头于数学计算中自得其乐。对于性生活也像数学公式一样有规律,每周只有一次。每次都像某种仪式一样简单,冷静。有一次,这位女实验员在性生活时,想到了她的第一位恋人,忽然觉得十分兴奋。事后,她虽然后悔,但下次性生活时,仍不禁这样幻想。现在她每次都要借助 A female lab assistant, having no children at the wedding, had a crush on her classmates with her college, and eventually ended up without success. Her current husband is a university math teacher, decent and serious, immersed in the mathematical calculations. For the sex life as a mathematical formula as regular, only once a week. Every time as simple as a ritual, calm down. Once, the female lab technician suddenly felt very excited when she thought of her first lover during her sex life. Afterwards, although she regret, but the next sex, still can not help but think so. Now she needs help every time