There is this story called "The Lady, or The Tiger?" it basically makes this princess choose between two doors for her lover. One door holds a lady for the man to marry while the other one holds a tiger to kill the man. If the princess chooses the one that hold's the tiger behind it then her lover will die. But if she chooses the other door with the lady behind it she'll have to see her lover with another woman till death do them apart. The book shows that the princess has to make a hard decision.