It comes to the point where, I think, one dithers on making such important decisions more for his/her own hurt feelings, than try to alleviate or end the pain for the loved ones.
That is why, doctors recommendations to turn off machinery seem to be impartial, even if, in one's mind, are unfair.
I would not like to vegetate in a bed, in constant pain and discomfort, fed and watered by small tubes and generally being an emotional burden to my lot.
What would be the point for them to keep me alive but selfishness and a mistaken opinion that things may get better.
Oh, yeah, some people do recover from a coma from time to time, even after years, but that is different.
Cryogenics...... What a load of claptrap.......