Sanzi's initial wish was not how to live, but how to die. When you have experienced all the misery in the world and tasted the warmth and coldness of the world. Loved, hated, it seems life and death are no longer important.
"Third son, listen to me. I want the wind to leave a sound in the thin bamboo forest, I want the wild geese to leave a shadow when crossing the pond, and I want you to live."