Well goes a parable, a dog was told its happiness is in its tail, so it kept turning around in order to find the happiness.

• 像他们常说，有一只狗，人家跟牠说，你的幸福在尾巴上，那只狗就一直绕著转，一直转，为了要找牠的尾巴，有没有找到啊?