That's not because she have some sad things going on that she is excused to bring mystery on others around her, we all have our hardships, even the ones that "got it easy".
It's all a matter of point of view, an issue for one would be no issue for another, but this another would have an issue that one don't have.
Compare difficulties, traumas, or situations doesn't make senses, because everything depends on the person, on how this person will react to it.
Using "boo boo I have a sad past" as an excuse, doesn't makes you less of a bad person.
Well now that I spread my wisdom of the day, LET'S GET BACK TO SCREAM NONSENSE, FU** THAT BI*** SHE'S GETTING ON MY FUC**** NERVES, DAAAAAAMN