If I could give negative grade, I would do it with...

If I could give negative grade, I would do it without doubt. After I went the second floor, the male saleman made me feel so bad about Macy. The saleman told me I could not try any shoes unless I want to buy it. The reason is if I tried the shoes on, the shoes would get dirt, and other person won't buy it. This is the worst reason I have never heard