The quote expresses a deep sense of expectation and disappointment. It reflects the speaker’s hope that someone would come back as promised, illustrating the pain of unfulfilled promises in relationships. The sentiment suggests a longing for connection and the heartbreak that arises when those expectations are not met.

This line captures the essence of yearning and the fragility of trust, common themes in Sylvia Plath's work. It highlights the emotional turmoil that can accompany love and the complexities of human relationships, where the anticipation of reunion can often turn into sorrow when reality diverges from one's hopes.