In old age we are like a batch of letters that someone has sent. We are no longer in the past, we have arrived.
The sorrow for the dead is the only sorrow from which we refuse to be divorced. Every other wound we seek to heal - every other affliction to forget: but this wound we consider it a duty to keep open - this affliction we cherish and brood over in solitude.
If you don't physically age gracefully, it's a bit sad. I think Steven Tyler can get away anything, because he still looks like he did in '73. Especially from row Z backwards in an arena. As long as the Stones keep their hair and don't get fat they'll get away with the wrinkles.