She'll reiterate all of the things she already said, "I don't want to be with you anymore, this isn't what I want, I don't love you and I cannot change that - and I don't want to try".
Agree with her. "I can't believe I have been trying to hold onto this. I hear you, I think it is best for me to be in a marriage with a woman who loves me. I understand how you can feel that way and I wont stand in your way of leaving."
M22,H45,W45 S21/18D12 Retain faith that you will prevail in the end, regardless of the difficulties and at the same time confront the most brutal facts of your current reality, whatever they might be.