It is funny-the guy reminded me of one of those techno cornucopians who advocate paving over the rain forest to make a huge parking lot. What he totally misses is that although brain chemistry can be altered, we are social creatures and dependent on and affected by our environment to a great deal. Happiness is less prevalent in some crack ridden neighbourhood in Motown than it is in Waikiki, which makes it easier for the average person to be happy in the happier vibe place. We don't stand alone no matter what his "studies" say.

People tend to "revert to type", as my grandmother used to say.