Why do I only attract black men?

I'm a Chinese American girl and I seem to only have African American men tell me I'm gorgeous, or beautiful. Sometimes its a random Spanish guy. Nobody of any other race has ever shown they are attracted to me. I personally don't think im that attractive. In fact, I don't think im very attractive in my opinion. But its really strange how only black guys hit on me every single time. are certain races attracted to certain facial features?
Why do I only attract black men?
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