If you're between the ages of 65 and 80, congratulations! You're in a new stage of adulthood.
Among previous generations, this was the time to prepare for death. But now, traditional milestones are delayed across generations: from snake people putting off marriage to seniors putting off retirement.
This new period of adulthood is the subject of the new book, "The Age of Longevity: Re-Imagining Tomorrow for Our New Long Lives."
Rosalind Barnett, senior scientist at Brandeis University's Women's Studies Research Center. She's co-author of "The Age of Longevity: Re-Imagining Tomorrow for Our New Long Lives."
This segment aired on August 29, 2016.