Despite this, people always looked that he felt relatively at ease. He received new washed clothes twice a week, and could ask for any book he wanted. He was allowed to play the lute, and could see a doctor when there was the need to do so. Saint-Mars was given 12 livres a day, for food and drink of this prisoner. The cell that he occupied in Sainte Marguerite cost 5.000 livres to build. In Pinerolo, a special cell was built that had to be entered through three doors. This cell was soundproof, nothing could be heard outside the cell. Saint-Mars was personally responsible for the well-being of the man in the iron mask. There are testimonials that officers had to take off their hat in his presence, and that they were only allowed to put it back on when told to do so.