就算用一辈子的时间，还是会嫌不够。

When we are young, we may want several love experiences. But as time goes on, you will realize that if you really love someone, the whole life will not be enough.
 年轻的时候会想要谈很多次恋爱，但是随着年龄的增长，终于领悟到爱一个人，就算用一辈子的时间，还是会嫌不够。