I am one of the lucky ones, as I am 74, but apart from not seeing, or I suspect, hearing as well as I used to, I am still fit and well.
Do my own housework, washing and in summer lawn mowing. Last year I re-decorated most of the house, but next time, I might just consider paying to have that done.
Cycle a round trip of 6 kms to do my shopping or go to church, and cycle or walk the same distance to tend my husband's grave, roughly once a fortnight.
Cleared about 10 meters of pavement (the part fronting my garden, which by law I am bond to clear) of snow three times yesterday(!) and went to my weekly folk dancing group, with no ill effects today.
So, as I said, I am well aware I am one of the lucky ones.
That said, I no longer spring clean the entire house in the course of a weekend, as I did until I was around 50, nor am I as confident on ladders now as I was then.
But I can still get down on my hands and knees to clean under furniture, fish dead mice that the cat seems to think should lie in state under the sofa out from there, and spend the appropriate portions of Mass on my knees, so I really cannot complain, can I?