anchor.diff:  fairwinds=> select sum(debit) from skill_journal where fairian_name = 'alice';
      sum
   ---------+
  -0.067489
  + 0.099505
   (1 row)
   
   --------------------------------------------
  
positive.code: 
  which shows (no surpize, since this is a tutorial) that +alice+ is the
  sole 'Fairian' account currently registered in the game.
  
  The fairwinds relation holds a single row that stores the current time
  ('i.e.' the current click), a time stamp of when the game began and when
  
negative.code: 
  == Fairwinds Game Tutorial F - Extinguishing Debt
  
  Notice from the standings that Bob has negative net wealth 
  
  
  --------------------------------------------
  