She switches to the backstroke after ten laps. Ten more and she rolls over again; breaststroke. She has waterproof headphones and an audiobook going.
"They make everyone take Basic Finance. Unless you dropped out even earlier than I did?"
"I dropped out a little bit earlier than I was strictly allowed to."
"Well, you're not missing anything you couldn't have gotten out of a randomly selected six posts on Lotsa Math Budgeting."
"I figured as much, yeah."
"How did you get away with dropping out early?"
"'Get away with'?"
"With respect to compulsory education? Or did you only drop out once you were four?"
"Only once I was four," he agrees, "but as soon as I could, then."
"Then who wasn't strictly allowing you to?"