I'm 60. My husband is 77 with dementia, but still functional. He just forgets everything. I've been looking at retirement options now, and I think what I would really like is a room on a farm/ranch/community. Do some chores/gardening, pay some rent, and have community meals. Said room could even be a shed, as long as there was heat, a fan, and a light for at night. Indoor plumbing (or outhouse right next to the shed, with a clear handrail/path) would be important so he doesn't get lost when he gets up to pee in the middle of the night.