Interestingly, Darius doesn’t seem to offer up any concrete evidence that Dad’s relationship to medication has always been easy and positive. There could be more to this story than Darius realizes, if Dad has decided to keep any struggles with finding the right medication private. As Darius sees it, hitting the kid who made fun of Mom was maybe not the best choice, but it was righteous in any case. It’s cruel, after all, to make fun of a person’s accent. So it’s possible that Darius is misinterpreting Dad’s disappointment here—or at least where Dad is directing his disappointment.