The moral of this story is putting another’s happiness above oneself. Which evidence from "The Lady, or the Tiger” best supports the conclusion that the princess’s choice will reflect this moral?

Her right arm lay on the cushioned parapet before her. She raised her hand, and made a slight, quick movement toward the right. No one but her lover saw her.
Would it not be better for him to die at once, and go to wait for her in the blessed regions of semi-barbaric futurity?
How her soul had burned in agony when she had seen him rush to meet that woman, with her flushing cheek and sparkling eye of triumph. . . .
How in her grievous reveries had she gnashed her teeth, and torn her hair, when she saw his start of rapturous delight as he opened the door of the lady!