Who You Gonna Believe?

Bartlett:

Link.  Or Frum:

Link.  Or heck, let's just relax with Alyssa:

Link.    Just as wild speculation, I'd guess that people in earlier generations also felt a letdown in their 20s as the burdens of adulthood came crashing around their shoulders.  For men of my cohort, you woke up one day married and with kids and a mortgage and not the slightest idea how it all happened.  Oh, and the high likelihood that if you did not meet these new responsibilities, you would go to jail.