Dear Shari. I tried to answer your father's questions by answering him - hope you saw those. I, too, will try to be brief. You wonder about what to talk with your father if/when it doesn't work, or at least, live up to his expectations. You mention Mirapex, but it could be any of the medications. While PD is chronic, degenerative and progressive, it is not entirely without hope. Research gets us collectively closer to a solution of the mysteries, and possibly a cure every day. Research in other fields constantly expands our outlooks and tempers our disappointments and depression. The wife of our PD treasurer committed suicide a couple of years ago, and did it ever stir up the conversation. She chose a home method from the Monarch Society. Her husband assisted her, and the fact that her son is an attorney kept the local police and coroner investigation short and non-sensationalized. My point in telling this story is that there are folks within the PD community who will be glad to talk with your father about his many options, suicide being only one. What I learned from this episode was that even though I didn't feel that she gave all of her doctors enough chances to help her, she still was in charge of her own life, even to ending it. The other point I would try to make is that even though you are now very involved in your parents' lives, when and if the time comes that your father would rather end his life rather than continue it, you needn't be the angel of death. You will know what you are comfortable with. Best wishes for better days, hope and a fighting spirit, Don Penny