An elderly man with a guide dog walked into the store where I work. He stopped in front of the postcard stand and began to hold each one close to his eyes in turn, trying to read the inscription. I was about to go up to him and offer to help, but the big truck driver beat me to it. He asked the old man if he needed help, and then began to read all the inscriptions on the cards to him, one by one, until finally the old man said: "This is the right one. She's very nice and my wife will definitely like her.