I knew what it was - I knew what it was like having a brain the size of a fist an

I knew what it was like having a brain the size of a fist and the patience of a toddler on sugar.

I knew what it was when he tried to explain the theory of relativity like it was a bedtime story.

I knew what it was when she told me to shut up while I was still talking.

I knew what it was when he tried to argue with a vending machine.