[The familiarity of the young voice makes his eyes widen momentarily and then he abruptly pulls back from the sudden extremely close proximity. All previous annoyed thoughts are immediately placed on hold and it takes him several long seconds to formulate a response.]

A secret...? No! [Except maybe. He's honestly not even sure at this point.] I'm just here to [Ugh] enjoy the festivities.

[Skeptically] Aren't you too young to be running one of these booths?