A sad thing in life is when you meet someone who means a lot to you only to find out in the end that it was never meant to be and you just have to let go.
【解释】在狭窄的路上行走,留一点余地让别人走;遇到美味可口的食物,留出三分让给别人吃,这是立身处世最快乐的方法。