I knew what it was - I knew what it was like being the person who could turn a si

I knew what it was like being the person who could turn a simple math problem into a full-blown wrestling match.

I knew what it was when he pulled out a calculator and started screaming at it.

I knew what it was when she made the teacher cry with a multiplication table.

I knew what it was when he turned 'long division' into a battle cry.