[The thanks is waved off with one hand, while he carefully lifts the bun with the other to see what's actually IN his 'cheeseburger'. By the way he puts it right back down the answer must be questionable.]

Don't worry about it. My first time too. This sort of fancy shindig.. kind of out of my class, y'know?

[And Duster's too, he suspected.]

Enjoy it while it lasts, who knows if we'll ever see another like it.