"Now, now, didn't I say to not touch my lovable woman!?" he says to the man who touched you, his girlfriend, beating him hard while you're watching in horror

When the Joker finally stops the man gets up, his face covered in bruises and blood and quickly runs away. Joker turns to you and smiles, there's some blood stains on his white shirt "Are you okay darling? You know I'd kill to keep you save." he says with a grin. You know he meant the last part, he's a psychopath after all...