As a result, the longtime member may be much less happy.

WSJ: Dan Ariely on House Sales and Netflix | Ask Ariely

And some additional, much less happy news from Australia, as Unesco and environmentalists warn that climate change and large-scale coal mining may lead to the wholesale destruction of the Great Barrier Reef.

BBC: In brief: Unearthing Australia's secret history

In fact, in some cases, too much focus on feeling happy can actually lead to feeling less happy, researchers say.

WSJ: University of Wisconsin Study Finds Eudaimonic Happiness Lessens the 'Bite' of Risk Factors for Disease