I'm curious as to how she's managing to be in a relationship with you if this is the case. Figure out what it is about you that makes her see you as trustworthy and safe, and try and get her to see that in other men. Have you spoken to her about seeing a therapist? If so, and she has refused...there's not much you can do. You can only help those who want to be helped, cause if they don't feel they need help or don't want it - anything you try will only push them away from you. Hope that helps.