[adrianN]

Perhaps people who have a good attitude about old age are more likely to have had the experience of healthy parents and grandparents and thus are more likely to have genes that lead to a long healthspan.

[Ntrails]

My attitude to getting old is extremely tightly linked to my expectation of it following the shape that my father's later life did.

I've seen what is likely coming, and the only changes which matter are to lifestyle - not attitude.