Hmm, perhaps it boils down to the paradox of choice. We have too many possible friends so we never take the time to invest in any of them. Also relevant: http:

Hmm, perhaps it boils down to the paradox of choice. We have too many possible friends so we never take the time to invest in any of them. Also relevant: http://en.wikipedia.org/wiki/Buridan%27s_ass http://en.wikipedia.org/wiki/Buridan%27s_ass