Why would I care at that point? I'm not living with a pig's heart. That's disgusting. Imagine someone being so afraid of dying they were willing to have a pig's heart transplanted. There's nothing someone like that wouldn't do.
You're making an unneeded distinction. If YOU would like to die, so be it.
But by all means, turn down the kidney, pass it on to me! I'll happily piss on your grave with my shiny new swine-urine