The story 'The Eyes have it' ends with a surprise for the reader and the narrator. How?

The Eyes Have it by Ruskin Bond is the story of a blind man who thought he was very smart at behaving like a sighted man. Once he was on a train with a female passenger, just the two of them alone. The man struck a conversation with the girl without giving away with his blindness. The two talked about the beauty of the hillsides that they were passing by. At Shahranpur, the girl got down after a few pleasant words and the man really felt lonely. When the train was about to leave, a male passenger got in. From this new companion the narrator learnt something about the girl who was now gone. The train was drawing near to Shahranpur. The girl said she was relieved that the journey was coming to an end but the narrator was not. Another passenger got in. He must have come in the girl’s way or he rubbed her aside in the hurry, the new passenger apologized. The doors were shut again. The train moved out of Shahranpur station. The narrator felt a heavy heart. He didn’t quite agree with the new company. He had nothing else to do other than pretending to be a sighted gentleman with this new passenger. Seeing that the narrator was disappointed about the girl’s absence, the new passenger attempted striking a conversation. He said he was not as attractive a co-passenger as the girl. The narrator asked the man about the girl’s hair. Was it short or long? The passenger was a little puzzled. The passenger confessed that he didn’t notice the girl’s hair but said that she was a pretty girl with beautiful eyes. He said he specially noticed them because they were blind. The narrator sat speechless.