I doubt whether Branwell was maintaining himself at this time.

For some unexplained reason, he had given up the idea of becoming a student of painting at the Royal Academy, and his prospects in life were uncertain, and had yet to be settled.

So Charlotte had quietly to take up her burden of teaching again, and return to her previous monotonous life.
Brave heart, ready to die in harness! She went back to her work, and made no complaint, hoping to subdue the weakness that was gaining ground upon her.

About this time, she would turn sick and trembling at any sudden noise, and could hardly repress her screams when startled.

This showed a fearful degree of physical weakness in one who was generally so self-controlled; and the medical man, whom at length, through Miss W---'s entreaty, she was led to consult, insisted on her return to the parsonage.