"Yes," I nod, though that isn't nearly the half of it. But then, I realize, it wouldn't feel right to talk to this Athos, understanding as he seems, before talking to Tris about everything that's happened. I'll have to do my best to explain without giving more than I want to away. "And thus, it makes them dangerous back in the Faction system. So they wanted to eliminate them. Being different like that, well. It wasn't a desirable quality to have."

Which is ridiculous, when you consider the way anyone could have ever thought humans to fit into one of five categories to begin with.