What is a summary of this poemthe dream pang?

"The Dream Pang" by Christina Rossetti explores the bittersweet nature of a dream's fading. The speaker describes a vivid, intensely pleasurable dream, characterized by a sense of profound connection and beauty. However, upon waking, the dream's essence slips away, leaving only a lingering sense of loss and longing for its unattainable perfection. The poem highlights the ephemeral nature of joy and the painful contrast between the dream's reality and the mundane reality of waking life. The intense pain of the dream's loss is emphasized, leaving the speaker with a profound sense of melancholy and yearning for something that can never be fully grasped.