Xiangyuan and Ye Yize's marriage was not happy, and she finally chose to let go. In fact, the far choice is correct. After all, people who don't love you will only be sad. Might as well move on. Xiangyuan paid more attention to her career after the failure of her marriage.
Dong Ling is Ye Jia's adopted daughter. She and Ye Yize were childhood friends. They can say that they know each other very well, but sometimes it's really hard to be sure on emotional issues. I can see that Dong Ling likes Ye Yize, but they are destined to be together forever.
In the original work, the person Ye Qianze likes is Dong Ling, and Dong Ling has always been the girl in Ye Qianze's heart. However, in the end, Ye Yize and Dong Ling both died.