The movie Miracle worker

the name of the class is Close Relationships.
the thesis statement should be something like(example):
By observing the dynamics of the relationships in the Miracle Worker, three of the four interpersonal attractions processes can be clearly seen: proximity, similarity, and reciprocity.

I want three relationships to be discussed in my paper such as : relationship of Helen to her father, to her mother and to her teacher. what kind of attachement styles did she had for them, what was the reason she had different different relationships, what helped her to change her relationship.