Why girls most often calls me "bhaiya" which mean is brother. isn't I am attractive or something else?

Most often girls calls me bhaiya which means brother. I want to know it from girls why they do that it destroys any chances to be in relationship with that girl I think so are you agree with that and how can I change this situation.

Why girls most often calls me "bhaiya" which mean is brother. isn't I am attractive or something else?
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