From the lyrics,

不管未来会怎麽样
至少我们现在很开心
不管结局会怎麽样
至少想念的人是你
我不会把它当作游戏
因为我真心对你

Once upon a time , i can still tell myself this with tons of confidence.
but now .. somehow i don't know why or how .. i not longer have the
trust in me.. Can you bring that confidence back to me ?