@Eliusa,
Keh.
Most kids don't know who they are. Our actions affect our beliefs (you only need to act counter to your beliefs, eg. having your first affair, to find this out. The 2nd behaviour modifies it further, the 3rd yet further, etc). Children need to learn much of who they are through modelling their behaviour on their most important role models - their parents. And if you challenge the belief of a young kid, they often can't explain why - it's usually just what their parents told them / believe / display. It's as they grow older that they start questioning. Then as teenagers, many go through a rebellious stage precisely because they are trying to find out who they are as an individual.
It's why law has differing ages for criminal responsibility.
So using 'tkids not knowing who they are' is a nonsense reason. They all don't know who they are.
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If you are trying to say they suffer from more confusion than norm:
- immigrants from very different cultures who move countries with small children. Is this wrong? Because the children will likely suffer confusion between the old culture and the new
- what is the norm? I've met some very confused kids out their who are not mix raced (usually with dud parents)
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If you mean that they grow up into adults who don't know who they are:
I and each of my siblings know exactly who we are.
We aren't defined by our race. We know ourselves through:
- our values / principles / beliefs / cultural concepts
- our ability to live by our values / principles / beliefs
- our work ethic / drive / self discipline
- what we are comfortable with, and what causes us discomfort (etc for similar things)
- our personality and how all of the above plays out socially / how we treat others. etc
- how people welcome us, the reaction we receive from others, the reasons for those reactions etc
Personally, when you boil it all down, I would think this is the way most people would come to know themselves.
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To me it would only seem an issue to childrens normal understanding of themselves if the culture in which they lived, made a big deal about it:
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if the other race made a big deal: harassed parents because of it (with the children seeing it), or harassed the children because of it (eg kids at school, because of their parents).
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if their own race made a big deal of it: the nonsensical lectures (eg. because very young children don't see skin colour as a meaningful difference unless they are tought that it is), the needless anger from their parents. etc
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if both races made a big deal of it. Combining the above reasons.
Have the same two races in another region where it's not an issue, and it doesn't become an issue to the kids.
In effect, a kid being traumatised / confused by his mixed heritage would have nothing to do with actual race, and everything to do with the small-mindedness of adults in the conflicting cultures.