How do high-mileage Americans thumb their noses at the grim reaper? It's not all diet, exercise and teetotaling as you'll hear from 40 happy folks over 75. They share some of their secrets to long life in this sneak preview of "Lives Well Lived," a new film hitting theaters from Maine to California. And the film's director, who recently hit 50 herself, tells you what lessons she learned that give her a brighter outlook on growing older. For a second opinion, you'll hear from John Leland, a New York Times reporter and author of the book "Happiness Is A Choice You Make: Lessons From a Year Among the Oldest Old." It's a short episode that should leave you with a lot to think about.