I agree that euthanasia should be an option but a very personal option not administered by the society(it is easy to imagine a society could abuse the ability to euthanize people!) in which one lives.
and anounced that she was going to stop eating and drinking and that she wished to die. This is exactly what she did and her death was very peaceful with the gradual onset of coma due to the effects of severe dehydration. If she was in distress she didn't show it. This took place in a Catholic nursing home in the US.