If someone incites me to road rage on the way home and when I get home I kill one of my children, it's not their fault, it's mine.

Furthermore, the way to deal with a bully isn't to try to not upset him. It is to punch him in the mouth (more if necessary) and let him know that his bullying will not be tolerated and that you are not scared of him.

Kim Jong Un needs a few teeth knocked out.