She’s just telling Aren who she wants to be for halloween.
“I’ll give you a hint. She lives with Prince John.”
“Uhh..”
“Here’s another. She plays ping pong with a dirty tissue paper.”
“What?”
“She’s the girl who Robinhood saves!”
So apparently I’m making a Maid Marian costume this year. I just thought the way she was remembering things from the movie was hillarious.