She is frustrated by their lack of focus .
She is distances herself both for that reason and because , as revealed later , she has a terminal illness and does not want them to become close to her and then be saddened by her probable death .
She is frustrated by their lack of focus , and distances herself both for that reason and because , as revealed later , she has a terminal illness and does not want them to become close to her and then be saddened by her probable death .