There is something in psychology called cross race bias where basically we are less trusting of people who are not like us (in terms of ethnicity, culture, traditions, religion, race etc). This is why you tend to see fewer relationships where people choose someone from their out-group as opposed to in-group.

So I see some of your previous posts and I think it is important to know that these biases are more along the subconscious level, they come from millions of years ago when people were part of tribes and you would be less trusting of a different tribe. You've had some shit heads in your life say real nasty stuff and this has nothing to do with what I am talking about, that is just hate pure and simple.