“Tina: Oh, keep him? We don't keep them! Mr. Scamander, do you know
anything about the wizarding community in America?
Newt: I do know a few things, actually. I know you have rather backwards laws about relations with non-magic people. That you're not meant to befriend them, that you can't marry them, which seems mildly absurd to me.”
―
J.K. Rowling,
Fantastic Beasts and Where to Find Them: The Original Screenplay