It is very hard to understand why a married man has to "visually betray" his wife. The phrase "visually betray"  is an example when a man is with his wife and at the same time he can not stop watching other women. In the story "The Girls in Their Summer Dresses,"  its author, Irwin Shaw, used characterization to show how the setting was affecting his obsession and how he was destroying his marriage with his wife Frances. Michael was fascinated with women's glamour. He lived in New York and he was watching all the time fabulous women. In New York is easy to find all kinds of women. When Michael described all the women he liked, he was referring to all the women that rounded him everyday. Michael said, " When I think in New York, I think of all the girls on parade in the city (Shaw 722). He mentioned office girls, actresses, sales girls, women at theaters, "girls in their summer dresses  and others kinds of women. It is obvious how the place where he was living was affecting and feeding his fascination.
At the other hand was his marriage with Frances. She felt that she was not enjoying her relationship. She wanted to spend more time with him. It is shown
when she said, "I want him to talk only to me and listen only to me  (Shaw 719). She was aware of her husband way of looking at other girls but she did not know why. The reason that explained his constant watches to women was not in Frances' mind. Sometimes she tried to skip her knowledge about the problem but it was hurting her. It was demonstrated in the passage "I try not to notice it  ¦"but I feel rotten inside  ¦(Shaw 721) when they were going to the bar. At almost the end of the story she was so hurt that asked him if he wanted to be free and referred to her as a pretty woman too. She was suffering because Michael was distracted with women. He used to look at them everywhere h...