Conversation so far:
What did Charles Baudelaire next worked on in his final years?
Baudelaire next worked on a translation and adaptation of Thomas De Quincey's Confessions of an English Opium Eater.
What was Charles Baudelaire next challenge after translation and adaptation of Thomas De Quincey's Confessions of an English Opium Eater?
Other works in the years that followed included Petits Poèmes en prose
Why was the translation and adaptation of Thomas De Quincey's Confessions of an English Opium Eater. Other works in the years that followed included Petits Poèmes en prose bad for Charles Baudelaire?
Charles Baudelaire criticism turns against his friends Honoré de Balzac, Théophile Gautier, and Gérard de Nerva
What was Charles Baudelaire next challenge?
Charles Baudelaire illnesses, his long-term use of laudanum, his life of stress, and his poverty

Question: What did this the worst for
Self-contained rewrite: What did Charles Baudelaire illnesses, his long-term use of laudanum, his life of stress, and his poverty the worst for him?