I think that different pleasures work for different readers - a friend of mine won't read anything that's not a cardiovascular sort of page-turner. I tend to care less about plot but I'm a sucker for humor and strangeness.
Wrinkles should merely indicate where smiles have been.
Anyone who stops learning is old whether at twenty or eighty. Anyone who...
Age is an issue of mind over matter. If you don't mind it doesn't matter.