His naivety was apparent.

"Did you ever wonder what would happen if Rosalynn couldn't play the piano? Wouldn't others make fun of her?"

Kyson hadn't thought of that, reasoning, "How could Rosalynn not know piano? It's common for girls, especially in high society, to learn such skills."

He crossed paths with mostly high-society women, and it seemed Like most of them had piano-playing skills.

So he took it for granted.