She experienced the mortal world and fell in love with the king of the world, but it also brought disaster to her on the road to enlightenment, and she killed her husband in order to achieve enlightenment.
Once you have attained the great truth, you will cherish it and regret it in the end. After searching for her husband for thousands of years, she saw him falling in love with others again and again and never remembering her, and she eventually died.
But she didn't know that his love was so profound that he remembered her every time he saw her. But he finally realized that there was a difference between immortals and mortals, and he even resented her. He couldn't see her and could only love her.
Purpose: Don't let short-term efforts disappoint those who are thoughtful