life is rly ruff
It's clear that he chooses to conduct himself as he does, ranting and raving like a child at the smallest provocation. I am no expert on child-rearing— [ absolutely not; in fact, it's probably his assistance in raising feyd that had a hand in screwing the boy up so badly ] —but I should think that the point in your dearest brother's life in which discipline and reason may make a difference on such behavior passed long ago.
[ he decides against saying that it might be possible to beat the insolence out of caliborn. that would probably not be well-received. ]