I suspect that in old age we naturally turn to the issues left unfinished in youth and to old grooves of behavior we cut deep in those energetic years. One never loses one's youth. It is always just hiding under the wrinkles, excited for a chance to be out in the open air again.
Granny D: Walking Across America in My Ninetieth Year (2001 edition), Villard - ISBN: 9780375506758