She feels scared, helpless, useless, and more than a little unloved. She too is counting the years to his retirement so their world can return to normal. Too many questions without answers. She loves him so much it hurts more than she can ever explain to anyone. They just wouldn't understand.
Frustration sets in.
Stress is taking it's toll. It effects all aspects of our lives. But we so often deny emotional realities. Admitting to a problem and seeking help for that problem is viewed as weakness. We often suffer needlessly in silence.