Robin plopped her books down on the front desk, too. The look that the librarian gave her could best be described as 'knowing.'

She came here a lot.

"Mm, that's very true!" She smiled. "Besides, keeping track of debts could be more effort than it's worth. We have many meetings over tea ahead. I think I would lose track."

She wouldn't, actually -- she kept the numbers and logistics in order for Chrom's army -- but it felt like work to keep tab who owed what to whom.