Earlier quoted context omitted.
The 80 year old you you and the current you are two different people with different interests. Of course the future 80 year you would love it if you made every effort to make his life better, but the current you may value comfort more than going on terrifying adventures that make for amusing reminiscing if you survive them.
I've been thinking about this a lot lately. Our 20-25 year old influences our education/career based on our interests at that age. But shouldn't we make those decisions based on what our 40 year old will be like? Of course a career change at 40 is totally doable but wouldn't it be better if we had been working 15-20 years towards that goal instead of starting from scratch at 40? Impossible, I know, but something inte…
I'm almost 40 changing careers and can confirm, in spite of how doable may or may not be I can't stop thinking how things would have been different if my father said "yes" to purchasing a personal computer when I was fawning over them through computer magazines as a kid.