Marietta was going to turn to leave, but no, the woman decided to speak again. Not only that, she dared to threaten her. Marietta dealt with people making rude comments at her, but she would not allow someone to outright threaten her without a rebuke.
"I did what no one else had the bollocks to do to get ahead. I bear the penalty of that decision, but I do not regret it, nor do I see any of the other Dumbledore's Army ignoramuses making strides like I am in this Ministry. I don't consider anything beneath my station so long as it will get me results and you might do well to remember that the next time you consider threatening me, Dough.
"These scars show that there is very little that I won't do to get ahead and I do not take kindly to threats on my life from anyone, least of all from the likes of you."