Princess September kept her window open day and night.
(i) How did it help the bird? (ii) How did it help the Princess herself?
(i) The open windows enabled the bird to fly in and out of the room in September. Whenever he wanted to see her, he came. The sight of rice fields and lakes assisted him to sing more sweetly and better. (ii) The princess also benefited from this arrangement. She has had a regular visitor who has entertained her with his songs that make her happy.
Secondly, she gets fresh air that improves her beauty. She grew so lovely that she became Cambodia's queen.