You were going over to Vance's house to tutor him in math because he was failing. He was failing because he spent most of his time at the "Grab n go" corner store to play pinball. That's how he got his nickname; Pinball Vance. She was now at his house sitting at his dining room table with him talking about math while he was daydreaming

"So the square root is- Vance! Are you even listening to me?!"