“Yet I was prepared to sit there for almost any length of time just to listen to her talking”—Why did the narrator say so?

              The narrator who was a blind man, was very much impressed by his girl co-passenger. With his four senses, what the narrator felt about the girl, seemed charming and attractive. Her voice, laughter, even the sound of her slippers seemed unique and melodious. To him, what began just as a liking, gradually turned into infatuation. Then to impress her, he began to flatter her saying that her face was interesting. While talking over various matters, he slowly was being captivated more and more by her. So, he was prepared to sit there for almost any length of time just to listen to her talking