She's not done yet, simple as that. When she wants it enough to be willing to go to any length, she has a shot at sobriety. She's not willing to acknowledge the obvious, and while you cannot make her do anything, by ignoring the elephant in the room you are giving her a pass on the dishonesty. It's up to you to decide whether to continue investing your time and energy with her, but without her honesty it would seem to be pointless.