I love that joke. I have another:

My Living Will

Last night, my friend Sandi and I were sitting in the living room and
I said to her, "I never want to live in a vegetative state, dependent
on some machine and fluids from a bottle. If that ever happens, just
pull the plug."

So she got up, unplugged the TV, and threw out my wine.

She's such a bitch.....