Related:

• Blood flows down one leg and up the other.
• Blood flows down one leg and up the other. -- an actual excerpt from student science exam pape
• Pull the other leg!
• There are two ways of exerting one's strength: one is pushing down, the other is pulling up.
  -- Booker T. Washingto...
• The bond that links your true family is not one of blood, but of respect and joy in each other's life.
  Rarely do members of one family grow up under the same roof. -- Richard Bach, Illusions [1977]...
• Is it better to have a leg longer than the other or shorter?
• In fact, I DON'T put my pants on one leg on leg at a time.