"Presumably Feng Wu doesn't want to be separated from you, I think you have a good relationship between you ..."
If you can use the power of the Nalan Villa as his own use, then the forces of their lonely family in the court will be greater. Even if they are the royal family, they ca n’t take them what to do.
This is the idea of Dugu Taiyuan.
And at Dugu's house, this was originally the purpose of Nalan Liuxi's trip.