Instead of admiring the girl and spending time thinking about how he wishes he had a girl like that, he blurts out that her shoes aren't suitable for marching in. The war has infested his mind, and it is all he can think about. It has stolen his boyish innocence from him. Also, when he is with the brunnette, he mentions that he lost his virginity in a brothel. Instead of a young 19 or 20 year old boy saving his virginity for a woman he really loved, he lost it to a prostitute. Every time he has sex with a girl, he will remember his first time was with a prostitute. The war has even taken away his satisfaction and joy from all women.