I think that age as a number is not nearly as important as health. You can be in poor health and be pretty miserable at 40 or 50. If you're in good health, you can enjoy things into your 80s.
“I've worked with the great and the not-so-great. But mostly I've worked with men and women who loved their profession, and who like me, had kids to raise and houses to pay for.”
“The whole action of the laws tended to increase the number of consumers of food and to diminish the number of producers, was due the invention of the Malthusian theory of population.”