Yup - the unconscious thing is what got me too. I thought,
   "Unconsciously? Unconsciously?" then I had to get CONSCIOUS
   about UNCONSCIOUSNESS, which always gives me a little bit of a
   short lived headache. I think about two bodies of water at two
   different heights - say, like a lock in the panama canal. Open
   the lock, and the two different water heights even out - the
   smaller one is 'stealing' water from the higher one. that's how
   I can frame agreement with competition - but it took a minute or
   two of puzzling over it. "