He makes zero sense, and is an idiot. If you really want her to come with you tell her the bloody truth. She is a grown woman! Once she knows she can make a decision to push through the path she has chosen or stop and go with you. This Snow King is ridiculous!
Do I trust the Emperor completely, no given the vision she had is season 1. However working with him is the only way to stop the Empress Dowanger who literally wants to kill all people who are not human. Deal with the Dowanger and Consort, then deal with the Emperor if need be.
Also Baby Girl, you stupid child.
