"Cigarettes, whiskey, and wild, wild women":
Though he passed away recently, Henry Allingham attributed his 113 spectacular years on this planet to a steady diet of "cigarettes, whiskey, and women"... though his happy, carefree attitude may also had some part in his longevity.
When I got old, I looked upon the young and foolish and smiled.
An assumed humor evolved into stark, life-truth... and one to which that nobody is immune :)