Between Nu Ying and Shun, although they are in a romantic relationship, it may not count as a marital one. In the order of the ancient cultivators, men and women were together merely to be companions and to cultivate. Many people cannot last till the end because, over the long years, it's hard to ensure their interests remain completely aligned, inevitably leading to parting ways due to certain matters.
In the past, there was the Yellow Emperor and Lei Zu, there was also Xi He and Lei Zu, and now there's Shun and Nu Ying. Of course, not to mention Fu Xi and Nuwa, a special couple.
