Miss Maudie refers to Scout as "morbid" in response to Scout's persistent line of questioning about Boo Radley. After Scout starts to feel ostracized by Dill and Jem--who have increasingly pushed her aside and dismissed her for being a girl--Scout spends more and more time with Miss Maudie.
Because she feels l8ke she will never be able to get away from her sister and that she is the reason that she just is not able to get hopes up that she will