In those days of desire so deep that it left him empty-legged, he did not behave unnaturally at home—if anything he was more loving and devoted although Lily, especially, was beyond increased devotion. He came home filled with forbidden happiness, forbidden but unrivalled, and embraced his wife and played with or read to his children. The prohibited feeds the appetite for all the rest. He went from one to the other with a heart that was pure. On Park Avenue he stood on the island in the middle, waiting to cross. The traffic lights were turning red as far as he could see. The distant buildings stood majestic in the monied haze. Beside him were people in coats and hats, with packages, briefcases, none of them as fortunate as he. The city was a paradise. The glory of it was that it sheltered his singular life.

— Am I your mistress? she asked one day.

— Mistress? No, he thought, that was something older, even old-fashioned. He knew of no word to truly describe her other than probable downfall or perhaps fate.