I agree of course. And everything depends on our health doesn't it? Mental and physical. I would never urge anyone of my age to take up running marathons. But if you've been running pretty much all you life, maybe a 10K once in a while if it gives you joy.Eberhard Mueller wrote: As you say, life's meter is ticking incessantly. Even 'though days are numbered, pilling on lots of practice, 10,000 hours, may only be a faint hope and there are downsides. Hence, I offer caution - be careful folks, since those old and aching bodily parts may be easy to strain, otherwise aggravate, and injure permanently!
There is considerable evidence that studying music may have benefits to brain health. Maybe try a less physically demanding instrument.