The beauty of moving naturally, i.e. walking and gardening, is they're low impact. You're less likely to fall down and break a hip. Setting up your life so you're nudged into general physical activity every day is a strategy for your entire life from age 10 to 100.

Select your friendships carefully. Gather people around you who will reinforce your lifestyle.

Singapore is the happiest place in Asia

Drink without getting drunk Love without suffering jealousy Eat without overindulging Never argue And once in a while, with great discretion, misbehave

Gratitude always comes into play; research shows that people are happier if they are grateful for the positive things in their lives, rather than worrying about what might be missing.

Life expectancy in America is about 79, we should be able to live to 92. Somewhere along the line, we're leaving 13 years on the table. So my quest is -- how do we get those extra 13 years? And how do we make those extra 13 years good years?

Serve yourself, put the food away, then eat.