“ Happiness is a kind of gratitude; it is not how much we have, but how much we enjoy what we have that really counts.  ” - E. Edwards

Research.  Stages/Tasks.  Vaillant.  Kohlberg.  Adult "maturation tasks".  Retirement.  Death.

I read a lot of research.  When I find an article of particular interest I download it to my bibliographic database - EndNote - which currently contains over 15,300 abstracts.