My grandma is 83 and I could’ve written this exact same post.

I know it comes for everyone, but the pace of said spiral is frightening.

Wish we were in a timeframe with more alternatives for rapid loss of mobility and muscle.

While it is challenging, looked at one a life time scale it is kind of a neat thing. It isn't a purely linear decline and that means while the later years kind of suck, you get a lot of decent time before then.

Yes, we should try and work against this but I am just looking at the silver lining.

There's quite a lot of aging research going, maybe will get something concrete in the next 10-20 years (maybe too late for her) but it's at least something