Curbing the Medical Imperative

Please answer to this two questions in two different pharagraph.
(Being mortal, Chapter 6, Letting Go)

1. Gawande speaks of “curbing the medical imperative.” (pg 149) “When should we try to fix, and when should we not? “How would you answer the same question?
2. Why do you think it’s so difficult for doctors/nurses and/or family to refuse or curtail treatment?

Please use attached textbook as your source.