Since you have been through this before, now might be a good time to think about what went wrong 5 years ago. I don’t think it is as simple as her desire just dwindled off. What could YOU do differently this time? What promises did you make then that you did not keep, so that you can avoid sending the same message and putting her into more despair that things will just be the same? What is your 180? What is your carrot?
What do you mean, "180"? What do you mean by "carrot"?