WiB: What are YOU doing here?!
Future Thorn: Waiting for a train.
WiB: I mean what are you doing in the past, obviously! Did Acai send you?!
Future Thorn: Wait — are you one of Acai’s agents?
WiB: What are you talking about, you know —
Future Thorn: Wait! Are you the unmemorable agent we theorized was watching us back then?
WiB: — The stealth magic is working on you, isn’t it.