More old age and riding

It occurred to me lately that as I ride I notice my ability to do 180 degree turnarounds is not what it once was. I would say a few years ago I never have it a thought. I would out riding the narrow 2 lane chip seal that exist in Illinois. It is not really wide enough that 2 cars passing in opposite directions can take a full lane. You need to mover to the edge of the road.
In a car that is fine but no narrow bike tires I don't want to go in the soft stuff got to say on pavement. I used to decide to do a turn around and get a place where the road was wider at point and then just do the 189. I notice now that the balance on the bike is not the same. I really have to be careful and ideally it is probably better to just stop and physically turn the bike around.
I even notice now that dismounting is not quite the same. Granted it is not problem but I can tell the reflexes and general aches of the body respond slower. Even the act of un clipping is not quite as smooth. I use shimano road shoes and like being clipped in but it seems never to be as smooth as I think It should.
ANyone of you oldsters have notice this? Invent and app that can track your smoothness on the bike? DO they exist.
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Deacon Mark