为什么你那么喜欢笑因为没有人会陪我哭
[wéi shén me nĭ nèi me xĭ huān xiào yīn wéi méi yŏu rén huì péi wŏ kū]
'Why Are You Always Smiling? Because No One Stays With Me When I Cry'. This sentence portrays someone using laughter to mask pain and loneliness. The user may smile a lot in order to hide deeper sadness and lack of companionship during rough times, implying an outwardly positive demeanor concealing inner struggles.