'To...As when with downcast eyes' Summary

The poem begins with the speaker addressing an unnamed person, recalling a time when they were together and the speaker's eyes were downcast. The speaker remembers the love they shared and the happiness they felt. However, the mood of the poem shifts as the speaker reflects on the passage of time and the changes that have occurred. The speaker now feels a sense of loss and regret, longing for the love that they have lost. The poem ends with the speaker reflecting on the nature of time and the inevitability of change, expressing a sense of acceptance and resignation.