I think you have turned the corner. Your approach today was bang on. Accept and acknowledge! You validated her feelings and at the same time took away part of her reason for wanting to leave. In a way, she acknowledged that you have changed by referring to the issues as being in the past.
I think that you have really given her something to think about. Sounds like she has some doubt in her head. Stay the course, this is going to be a long trip.
