The ability of humans to adapt is perhaps why we're the dominating the globe right now. However, it might also lead to a sort of virus that stands in our goal of happiness -
the affluenza:
These values are nothing new. They go back at least as far as 10,000 BC, ever since the introduction of private property. They were rife among the elites of Mesopotamia, Egypt and Rome, not to mention the courts of European monarchs in subsequent centuries.
What has changed fundamentally is that, since the 1970s, these values have become ubiquitous. The great majority of people in English-speaking nations now define their lives through them and they are making us miserable because they impede the meeting of our fundamental needs.
It's an interesting read, though perhaps it merely coins a term for a feeling we are all too familiar with..