When you deal with a person who's experiencing dementia you can see where they're struggling with knowledge. You can see what they forget completely what they forget but they know what they once knew. You can tell how they're trying to remember.
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.