These siblings were trying not to argue in front of the kids, but they just can't agree on who needs to repay who . Children will get into everything that they can. They don't always understand the concept of valuable items. They have no problem throwing food on the floor, breaking plates or vases, or keying your car, just to name a few examples. Their brains simply aren't developed enough to know why some things are more important to grown-ups than others. That's why it's usually the responsib…