If you don’t have one, do it now.
Really.
A few hours of being creeped out over thinking about your own death or incapcitation is worth it to avoid the possibility of nearly a decade of artificially sustained life, court battles, and revolting, last-minute, Congressional intervention.
Can’t pay? Download a form from your state for free.
Just do it now. Please.
Addendum:
This is not to say that your living will has to choose to reject life-sustaining measures. Just make your wishes known definitively while you are able to do so.
Yep. Have one already. As shown by the continued by the contiued legal defeats of the Sciavo family, without the living will you will be at the whim of your next of kin and they might not have the most noble intentions.
Point well taken.