Have fun, be active. Ride a bike instead of driving, for example.
The people you surround yourself with influence your behaviors, so choose friends who have healthy habits.
Select your friendships carefully. Gather people around you who will reinforce your lifestyle.
I know exactly what my values are and what I love to do. That's worth additional years right there. I say no to a lot of stuff that would be easy money but deviates from my meaning of life.
Inconvenience yourself: ditch the remote, the garage door opener, the leaf-blower; buy a bike, broom, rake, and snow shovel.
We often think about happiness as trying to increase our joy, but it's also about decreasing our worry. So what you get for paying those high taxes is, if you're a parent thinking about putting your child through school, you don't have to worry about it, because all education through college is free.