On a good day, I wonder if my family hears what I say or if all they hear is "blah, blah, blah!" However, when I talk about what I want to happen if I'm in an accident, hospitalized or die, I'm SURE some of my family completely blocks my words. That's why I think it's so important that I write down how I want my health and my property handled if I can't talk for myself.
Luckily, we have legal documents that we can use to communicate our wishes. Writing down what's important to us helps: