kurdish and iranian are most closer to each other. (except some azeri populations) genetic distances prove this. kurdish populations top 10 is full of azeri and iranian populations + talysh)
i don't think it's wrong to use iranic term for kurds and iranians. afghans and tajiks already have many central & south asian influence.
but you are turkey kurd which is most northern shifted kurdish sub-group also you score some east eurasian i wouldn't say your results are average tbh but i don't saw much kurdish results before.
Interracial couples (specially Black and White ones) creates awful creatures, just see at latin america, those type of mixing creates people with desproportional features and identity crisis.
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Aside it, there's no problem with couples of different races, unless they have kids.