Don't be sad, my dear good girl. There are sisters here.
13、强颜欢笑久了,也是会累的。
It's tiring to be forced to smile for a long time.
14、沉默了太久,却找不到一个伤心的理由。
Silence for too long, but can not find a sad reason.
15、说太多不如沉默,想太多我会难过。
It's better to say too much than to be silent. I'll be sad if I think too much.