It seems I am about nine months younger than my real age (although the wife is gonna argue that right off).
It says I have about 20 years left (78), 30, if I don't mind the drool cup, and the diapers.
"If I knew I'd live this long, I'd have taken better care of myself." - Graucho Marx
Fortunately I am at that delicate age:
Young enough to know better, too old to care! 
Fred