I refer in my testimony to the issue of dementia particularly, because I know that it's an issue in Canada.
Just imagine the following. A person has been diagnosed with dementia. It's the starting of a process that can last years. At the start, he says that he would like to die in the later stages of dementia. Now the patient says he doesn't want to die.
Then we can discern a second stage, in which the dementia is advancing. Now five years have passed, and he again feels the advance directives. If you ask him if he wants to die now and he says no, he doesn't want to die now, but would like to die at a later stage, then there's no euthanasia for that patient. At the next phase, it's going to be too late, because then the patient is incompetent. Either you are going to kill the patient—