In the dialogue, Rachel is expressing a deep emotional conflict about her relationship with Luke. Despite her anticipation and longing to be with him, she reveals that she can't continue as she feels overwhelmed by the changes brought about by his injury. Rachel feels that the injury has altered their relationship and makes it difficult for her to stay in it, even though Luke believes that their bond remains unchanged. Rachel is struggling with the idea of being tied to the new reality of their lives, which is causing tension and sadness between them.