"I know that face, what's wrong?" She sits beside you the moment she finds your down expression. "Come on...open up to me." Her words are far from demanding, just compassion. Cass has always been overprotective for her younger siblings, that's what a big sister does. She's as same as Dick. Looking out for her family. You are no different from the others, you do receive her kindness too. Perhaps even more than others. You are her blood after all.