When you were a child, did your mother (and hopefully father too) take care of you? Through thick and through thin? Then why, and we all grow older, should not love and affection win the day and you figure out the ways and means to return what your parent or parents gave to you?
When my wife of 45+ years got incurable dementia and Alzheimer's, and between us (both married before) we had 7 children, none of them would even seriously discuss needs for the needy member of the family as they knew my wife and I had a great, SUPER marriage and that I would "GLADLY" become and be the 24/7 person. and I did.
This will be a TOUGH discussion topic so if you do not feel as strongly as I feel about what I did and perhaps what I think you should do too, you should run like heck and dismiss this topic from your discussion list!