Why did Sophie like her brother Geoff more than any other person? From her perspective, what did he symbolise?

Explanation

Sophie likes Geoff just because he listens to her unrealistic stories when no one does. She feels she can confide in him and he will keep her secrets. Moreover, she is also very curious about what happens in his life and wishes to go with him wherever he goes. He symbolises an elder brother figure who listens to his little sister and warns her when he feels is necessary.