The narrator expresses deep regret over their perceived failure to support someone important in their life, leading to a profound sense of loss. They are haunted by the absence of this person and feel disconnected, unsure of her current situation or how she is coping without them. This emotional turmoil highlights a struggle with guilt and helplessness.

Every day is marked by an ache of nostalgia and longing as the narrator reflects on the bond they once shared. The constancy of missing her indicates the lingering impact she has on their life, serving as a reminder of what was lost and the consequences of their actions. Their inability to reach out or even know her circumstances adds to the weight of this sentiment.