Vgl.

 Is it hilarious? All I can say is that it will make you – if not your good pal Bridezilla – snort like a dragon. Don't, on any account, combine reading it with lunch.

Scenes from an Impending Marriage by Adrian Tomine – review | Comics and graphic novels | The Guardian

Ist das nicht korrektes BE?

Right, colloquial-conversational. Even some 100 years ago in Scott Moncrieff's Proust translation. M. Verdurin to his wife:

"‘Why, do you know, she wants so much to meet you again some day at luncheon. We must arrange it, but don’t on any account let Swann hear about it. He spoils everything, don’t you know. ...'"