The poem expresses a deep emotional struggle regarding forgetting a loved one. The speaker addresses the heart, suggesting that both partners must move on and forget the warmth and joy previously shared. There is a sense of urgency in their plea to forget, as lingering memories can be painful and overwhelming.

As the speaker encourages their companion to forget, they reveal their own fear of holding onto memories. The tension between wanting to remember and the necessity of moving forward is palpable. This internal conflict highlights the difficulty of letting go of someone who once brought light into their life, reinforcing the theme of heartbreak and the desire for closure.