what character says this quote in what story?

her body shook as with a chill and her hands trembled so that she had difficulty getting into her nightdress. when she got into bed she buried her face and pillow and wept brokenheartly. "what is the matter with me? i will do something dreadful if i am not careful," she thought, and turning her face to the wall, began trying to force herself to face bravely the fact that many people must live an ddie alone, even in winesburg.