For a moment he just. Stares down at the pinecone, as his brain works out exactly what she means by 'I started my period'. But he gets there in the end.

Eye going slightly wide, he says, "Oh!" a little too loudly, immediately covering his mouth and flushing slightly.

"Ah... sorry. People don't call it that where I'm from so I didn't realize..." he clears his throat, looking away. He hadn't meant to make a big thing about it. "I'd offer you something for the cramping, if I had my things with me."