That year, she knew what it meant to have a glimpse of ten thousand years, and she remembered it in her heart from then on; but he did not know his past life, and spent his whole life on the battlefield. When he suddenly looked back, the man was still in the dimly lit place.
Purpose: When she first fell in love, she secretly made a promise that she would never marry him unless she was in this life. From then on, he fell into the trap set by her step by step.