Ten Years Later: The Man in The Iron Mask by Alexandre Dumas Chapter 12 Page 12

D’Artagnan listened with the greatest attention, biting his mustache to conceal his vexation; and the queens were not less interested.

They were fatigued, and would have preferred to go to rest without proceeding any farther; more especially, in order to prevent the king walking about in the evening with M. de Saint-Aignan and the ladies of the court, for, if etiquette required the princesses to remain within their own rooms, the ladies of honor, as soon as they had performed the services required of them, had no restrictions placed upon them, but were at liberty to walk about as they pleased. It will easily be conjectured that all these rival interests, gathering together in vapors, necessarily produced clouds, and that the clouds were likely to be followed by a tempest. The king had no mustache to gnaw, and