Warp wrote:
>   Maybe this is something related to human psychology.

I remember reading something about this. If you're in a tribe of 100 people, 
most everyone is somewhat dependent on everyone else, so the likelihood that 
someone would lie to you about something important is low. Except for things 
like competition, mates, etc, for which we seem to have little trouble 
catching liars.

If there's something unobvious going on, it's a survival benefit to know 
about it, and hearing it from someone whose welfare is interrelated to yours 
is a pretty reliable indicator compared to finding out on your own with 
possible disastrous consequences.

Of course, this is yet another Just So explanation.

-- 
   Darren New, San Diego CA, USA (PST)
   Why is there a chainsaw in DOOM?
   There aren't any trees on Mars.

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