One night, his friend Maya called, panicking over a test. “Leo, what’s the slope formula again?”

Leo blinked. For the first time, it didn’t feel like magic. It felt like a puzzle. He rewound the DVD— old-school tech for the win —and watched the section again. Then he grabbed his pencil.

Years later, Leo would be an engineer, designing bridges. And sometimes, stuck on a complex differential equation, he’d still hear Dr. Al’s voice: “Solve for the unknown. One step at a time. You’re the detective.”

By the end of the week, Leo had worked through the first three chapters. The DVD’s menu was his map: (they were not his friends, but Dr. Al made a pie analogy that stuck). Chapter 7: The Quadratic Song (he’d never forget “negative b, plus or minus square root…”).

The DVD was long scratched and unplayable. But the math tutor lived on—not in pixels, but in the quiet confidence of a kid who learned that x wasn’t a pirate’s mark. It was just a friend waiting to be found.