Of course, she wants to live. Who would want to starve and dehydrate to death? Who would want to be responsible for making that happen? Now, health care personnel, who are charged with saving and preserving life, must preside over a deliberate death.
Ever heard of a living will? Many people don't want to be kept indefinately on life support when doctors say there is no chance of improvement. That is why hospitals ask for a Living Will document whenever you go in for major surgery to avoid this kind of catastrophe dragging out.