They fell into it. The music swarmed around them, and Kavinsky tangled his arms around Jack as Jack tangled his arms around him. It was easy to get lost in this--the anonymity of the club, the closeness of another body, the promise of what was to come. Kavinsky let his body fall into the sort of rhythm he might use when he was dancing for cash, a flowing, filthy sort of sway of his hips.