I've always remembered him being like that, and my parents corroborate this. Apparently when he was a newborn/toddler, he would throw huge tantrums, was very h

I've always remembered him being like that, and my parents corroborate this. Apparently when he was a newborn/toddler, he would throw huge tantrums, was very hot-tempered, impossible to manage when he was sick, etc. This leads me to further believe that his case his mostly genetic/physiological in nature.