Julie started the engine, and the air around the BSA danced to life, this time enclosing them in a roaring privacy - a momentary country, trembling at the curb. Outside, beyond their borders, the honey-slow twilight was thinning and quickening to a cold, dusty lavender. Skateboarders hurtled past like moths, urgently contorted, one-dimensional in the pale headlights rushing up the hill toward them.