Sentence:  She knew that she was the cause of her husband's utter ruin; and she strung herself to bear the consequences. The reproaches which agony extorted; or worse, cureless, uncomplaining depression, when his mind was sunk in a <WSD>torpor</WSD>, not the less painful because it was silent and moveless. 
Meaning of the word marked with <WSD> tags:  A state of apathy or lethargy.