Mostly diplomacy stuff. Letters to rulers of other countries or other important people we keep in touch with. Or invitations for important occasions at the palace..

[ It's true - Inigo doesn't seem offended by Tidus's question, nor does he make fun of the other for asking. After all, Tidus knows just as little about his prince life as Inigo does about the other's sports celebrity life. ]

Not that I've ever actually done any of that. [ By the time he was old enough for it, there was absolutely not a single kingdom left to correspond with in the first place, let alone room for celebrations. ] So I mostly just practiced a lot.

[ He gestures at the board. ]

If I'd write any differently than this, Frederick would have gotten on my case for sure!