Nathan had a revenge to take.

He characterized the count as narrow-minded, behind the age, a man who judged the revolution of July with the eyes of the Restoration, who would never be willing to admit the triumph of the middle-classes--the new force of all societies, whether temporary or lasting, but a real force.

Instead of turning his mind to the study of an opinion given impartially and incidentally by a man well-versed in politics, Raoul mounted his stilts and stalked about in the purple of his own glory.
Where is the woman who would not have believed his glowing talk sooner than the cold logic of her husband?
Madame de Vandenesse, completely reassured, returned to her life of little enjoyments, clandestine pressures of the hand, occasional quarrels,--in short, to her nourishment of the year before, harmless in itself, but likely to drag a woman over the border if the man she favors is resolute and impatient of obstacles.

Happily for her, Nathan was not dangerous.

Besides, he was too full of his immediate self-interests to think at this time of profiting by his love.
But toward the end of December, when the second notes fell due, du Tillet demanded payment.