I'm afraid that's not true. Obesity is part of postindustrial-ness, which in turn is part of declining economy and productiveness. Eht's off t'the land of me ancestors as well! (not really)
Through this, the happiness of the people is selfish and hazardous to the future. Allow me to explain in a bit more detail...
Imagine if you had no video games, no internet, and your family was poor. First thing you think would be "I'm so unhappy, right?" This power is what's driving other countries to gain on the US in terms of productivity and breakthroughs. Who are our role models? Sports players? Movie stars? While exports can come out of these trades, they don't benefit us in any other way.
Holy cow, I sound like Insane Steve. Incidentally, my father is named Steve. But he's 20 years older, so no worries.