It sounds like she also may be in denial about her situation. From what my mother tells me, my father was in denial for years and as a result he did not take care of himself or de-stress his life. His condition rapidly declined within a period of three years. I still see markers of his denial to this day (40 years after he was diagnosed), which result in his poor health.I'm not sure what to tell you, except I would continue to do everything you can to show her love and support, even when she does not want it. Be there for her as much as you can, without compromising your own health, and help her de-stress her life. Going to therapy together might also be useful, if she is open to it.