Markus Zusak said this quote

See, I was never a guy who had a whole heap of friends to belong to. Besides Greg Fienni, I never really had friends. I kind of stayed on my own. I hated it, but I was proud of it too. Cameron Wolfe needed no one. He didn't need to be amongst a pack. Not all of us roam like that. No, all he needed was his instincts. All he needed was himself.