We don't tend to write about disease in fiction - not just teen novels but all American novels - because it doesn't fit in with our idea of the heroic romantic epic. There is room only for sacrifice heroism war politics and family struggle.
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.