The song is touching on the afterlife and how you might in fact be tired of this world, contemplating suicide, wishing to go back to when you were young, live a life without worries, and take the easy way out into darkness。。。But at the end, it is 【UP】to you to decide if you want to choose the light or the dark.
总括来讲,我们的人生都是由各种选择重叠而成,至于面前的黑与白,黑暗和光明,那是取决于我们自己的内心感受。有点深哦!真是吃饱撑的,哈哈。。。