Niu Heng, 25 years old, Shuihan, a native of Diaoyu Island City, Donghai Province, China, 24 years old, Niu Heng and Shuihan, a native of Taipei City, Taiwan Province, China, are a couple who have just been married for less than two years. The two confirmed their relationship in the first year of college and lived together soon. Until now, they are a little tired of each other's sexual organs. They are not as crazy as before.