Stories about content:
There is a tiger family, and there are family rules at home. As we are now, direct blood relatives cannot get married. But there are two tigers, one is my brother and the other is my sister. They grew up together and fell in love when they grew up. When the patriarch learned about this, he advised them not to be stubborn. But God knows that their love is so deep that they don't want to part like this. The patriarch and other relatives couldn't convince them, and finally they had to be punished, saying that they could be together if they wanted to, but they had to abolish one of the five senses themselves. The two tigers are very happy. Although disabled. But as long as they can be together, they are willing to pay any price. As long as we can be together forever. So my brother gouged out his own eyes. My sister cut off her ear. Support each other and live happily ever after.
I think it may be that after the original song was introduced into China, it was adapted and added with stories to become folk songs and nursery rhymes.