You rarely get satisfaction sitting in an easy chair. If you work in a garden on the other hand, and it yields beautiful tomatoes, that's a good feeling.

The people you surround yourself with influence your behaviors, so choose friends who have healthy habits.

The longest-lived people eat a plant-based diet. They eat meat but only as a condiment or a celebration. Nothing they eat has a plastic wrapper.

Inconvenience yourself: ditch the remote, the garage door opener, the leaf-blower; buy a bike, broom, rake, and snow shovel.

Deepen your existing spiritual commitment.

A doctor may know more than a peasant, but a peasant and a doctor know more together.

So learning to play a new instrument, learning a new language - those sorts of things will pay dividends for years or decades to come.