To Our Lost Youth was a love story between Zheng Wei and Lin Jing. Zheng Wei and Lin Jing met each other in college. They were attracted to each other and experienced many setbacks and difficulties before they finally got together. The reason why Zheng Wei chose to marry Lin Jing was probably because she loved Lin Jing deeply and believed that he would always be by her side and give her happiness. The tacit understanding and feelings between them allowed them to face future challenges together. In addition, Zheng Wei also considered Lin Jing's family and background and believed that their relationship could support each other and create a beautiful future together.