一个女孩儿自己给自己写情书，但是又一个匿名的人每天给她写回信，当这个匿名的寄信人不肯出现的时候，女孩儿的沮丧达到顶点。

A girl writes love letters to herself, but an anonymous person writes back everyday. The girl was totally frustrated when the anonymous person was unwilling to appear.