Starving
During and after he was occupied with the chocolate, the child stopped kicking Brad’s seat for quite some time. Could it just be that he was hungry and struggled to sit still?
It wouldn’t come as a big shock if the irresponsible mother hadn’t made sure that her son wasn’t well-fed. Perhaps the kid was simply ravenous and didn’t know how to express his emotions.
Brad also debated that there could be other underlying causes for the boy’s behavior, too.