Separated societies police their own separations. I was hated one day, and with an intensity I could not have foreseen. I was lifted by my clothes, the hands of my schoolmates at the nape of my shirt collar and the back of the waistband of my trousers, and I was hurled against the scrawny trunk of a little jacaranda tree and beaten there, fists cracking against my arms as I tried to cover my face, booted feet flailing at my legs. I squirmed, crawled, cried out. And I wept.