I think the best plan is try to evolve your work over time into an area that you're happy. My goal by 70 is to be able to get up and go to a job where I'm exci

I think the best plan is try to evolve your work over time into an area that you're happy. My goal by 70 is to be able to get up and go to a job where I'm excited and happy to be even at 70. My Dad is almost 70 and that's how he feels, his ambition is to keep doing the work he loves until he dies.