Shelley’s speaker asks a lover if it’s possible to forget the happiest hours they shared, hours now buried in “Love’s sweet bowers.” Rather than decay naturally, those dead moments are covered with blossoms and leaves — the joys that fell away and the hopes that somehow still cling. It’s a beautiful but chilling image, as if the past has been given a floral funeral that refuses to let it rot.
Yet the second stanza admits that trying to forget the dead past only invites revenge. Memories become ghosts that haunt the heart, turning it into a tomb. Regrets glide through the spirit’s darkness, and their whispers deliver a wounding message: once joy is lost, it doesn’t simply vanish — it festers into steady pain. The poem carries a hushed, eerie grief, as if the speaker is learning in real time that cherished love, when gone, becomes a sorrow that won’t stay quiet.