It‘s a combination of the condition of colossal stupidity along with being so arrogant you are unable to admit when you’re wrong. I’m not a doctor, but that’s my diagnosis of Will.Will is a total mystery to me, I’ve searched high and low on the internet to find what condition causes people to always be wrong when it comes to words and phrases. I’m not buying dyslexia as the cause. I’ve just never encountered anyone quite like him.