She wants to kill herself with charcoal.

I tell her it ain't right; and, indeed, I've had to get the concierge to look after her while I'm gone, or she's likely to jump out of the window." "But what's the matter with her ?" said Joseph.
"Ah! monsieur, the doctor from the Sisters' hospital came; but as to the disease," said Madame Gruget, assuming a modest air, "he told me she must go to the hospital.

The case is hopeless." "Let us go and see her," said Bixiou.
"Here," said Joseph to the woman, "take these ten francs." Plunging his hand into the skull and taking out all his remaining money, the painter called a coach from the rue Mazarin and went to find Bianchon, who was fortunately at home.

Meantime Bixiou went off at full speed to the rue de Bussy, after Desroches.

The four friends reached Flore's retreat in the rue du Houssay an hour later.
"That Mephistopheles on horseback, named Philippe Bridau," said Bixiou, as they mounted the staircase, "has sailed his boat cleverly to get rid of his wife.