If Bobby loves Amy And Amy loves Bobby Then Bobby equals happy And Amy equals happy If Bobby loves Amy And Amy not loves Bobby Then Bobby not equals happy And Amy not equals happy If Bobby loves Amy And Amy loves Mary And Mary loves Bobby Then Bobby and Amy and Mary not equals happy If Bobby loves Amy And Amy loves Bobby And Mary loves Bobby Then Bobby and Amy equals happy And Mary not equals... If Mary not loves Bobby And Amy not loves Bobby Then Bobby loves Bobby If Amy loves Mary And Mary loves Amy And Mary and Amy loves Bobby Then Mary and Amy equals happy And Bobby equals happy happy happy Happy happy happy Bobby!