Was it not considered on here a while back that he was taking one for the team by starting a relationship with her and he was playing the long game to get revenge on Katie for something she did to someone in his family. Can't remember all the details but the theory stuck with me and looks like it could all be playing out now if he knows all the dirt on her which could finish her.
Just seen your post Lollypops thinking the same
Just seen your post Lollypops thinking the same