Let's get this out of the Way.
If you are a Black man, and you don't have great family on Both sides?
DO NOT FUCKING BOTHER!
If you happen to have a Legit High I.Q. , have your kids in Singapore or outside of the West or Africa.

And if you want to get married?
DO NOT HAVE KIDS WITH AMERICAN BLACK WOMEN!
They are almost all inbred.
Check it out for yourself if you want proof.

Much of that violent nature comes from Jewish DNA injected into them by their early owners.
Some leads to a higher I.Q. , but also leads down to being a skitzo that the Black mind can not understand, and leads to violent ranges.