There isn't a framework. One of the things the article talks about is that the assisted death law in Canada requires competency at the time of death. Without looking, I expect it's often similar in other places.
When my mom's dementia progressed from a state where she needed a bit of help to where she needed regular attention, I had no qualms about removing myself from the equation, because I think that if she were healthy she would want me to live my life for myself. If that sounds right to you, it's something you can tell your family.
When my mom's dementia progressed from a state where she needed a bit of help to where she needed regular attention, I had no qualms about removing myself from the equation, because I think that if she were healthy she would want me to live my life for myself. If that sounds right to you, it's something you can tell your family.