Make a living will. Talk about it. Death is going to happen to everybody. Write it down. Even if you write it on a piece of paper at home and have your family witness it, you need to write it down.
If you think aficionados of a living Constitution want to bring you flexibility, think again. You think the death penalty is a good idea? Persuade your fellow citizens to adopt it. You want a right to abortion? Persuade your fellow citizens and enact it. That's flexibility.
She goes through the vale of death alone, each time a babe is born. As it is the right neither of man nor the state to coerce her into this ordeal, so it is her right to decide whether she will endure it.
Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out.