Denver,
Thanks for sharing and best wishes to you and your friend.
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In line with your comments: I have a friend who is now in a full care nursing home because his second wife decided and refused to move from a two story home with all critical things upstairs.
Perhaps she wanted to get rid of him as he got sick and it was just a convenient excuse?
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I have another friend who had a gallbladder surgery and got two strokes at age 70. Same story as yours. He is now diminished.
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Such is life.