Bennie's assistant, Sasha, brought him coffee: cream and two sugars. He shimmied a tiny red enameled box from his pocket, popped the tricky latch, pinched a few gold flakes between his trembling fingers, and released them into his cup. He'd begun this regimen two months ago, after reading in a book on Aztec medicine that gold and coffee together were believed to ensure sexual potency. Bennie's goal was more basic than potency: sex drive, his own having mysteriously expired.