I'd say if they suspected anything like what you're planning to do, you'd get a good deal worse than a date with Finnegan.

Like your wand snapped and immediate deportation.

So it's not that.

They're just trying to make you either not see something they don't want you to see, or are trying to get you buttered up for something. Only I'm not sure what. Unless they want to ask you to stay, which is what you sort of want, isn't it?