The Good Morrow" is a poem about waking up, and with all that good new light streaming in your window, learning how to see in a new way plays a big part. In stanza one, the speaker sees his past in a new light, recognizing that past flings were all about sensation in the moment, without the lasting happiness and security of a real relationship. Sight imagery is all over stanzas two and three as well, but here it's focused on looking forward rather than backward. The waking souls are watching each other, and the lovers themselves are locking eyes. And what do those pinprick retinal reflections tell them? That they belong together.