Intolerably annoying, narcissistic brats.
Klara and Bobo were completely intolerable. I could not believe they were supposed to be 13 years old. They acted like 8-9 year olds, always screaming at the top of their lungs, pushing each other around like little kids, and having hissy-fits. They had no respect for anyone else or any authority. They lived in an egocentric world and all they knew was hate, hate, hate. I mean, they called the 16 year old brother a conservative for taking away alcohol? Uh, what insult is that!? Punk or not, someone needs to give them a proper dose of reality - because it doesn't look like neither parents seemed to. Bobo and Klara were completely talentless brats; it's such a shame Hedvig wasted her talent around these two.
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When logic and science aren't on your side, you always lose.