a447, I understand, but telling people the following:

Yet if I ever got to the point of becoming a drooling vegetable I'd probably appreciate him taking things into his own hands and throwing me out the window!

I really doubt that you or anyone would want to be thrown out the window! Or for that matter, taking your own life. Easy to say, hard to do especially when old and frail. So if you want to do yourself in, now is the time! 5555

Nonetheless, the OP asked a serious question and fliplant replies don't help much when someone is thinking of their future.