The ability to do work (strong back) and the freedom from onerous medical expenses (good health) are related, you are right. But I like to think of them as dist

The ability to do work (strong back) and the freedom from onerous medical expenses (good health) are related, you are right. But I like to think of them as distinct, because you can have one without the other. As for free time, I am not saying a retiree has no time. Just, much less left to work with.