The Night In His Eyes

It is undeniable, that sometimes in our lives we have done things we regret because it did not turn out how we wanted it to be or maybe we regret it because of our wrong and poor decision. But in Agatha's case, it is completely opposite. And that is to regret some thing that she should have done before. But what if it's all too late? What if the person you are holding on to to achieve the repentance you made is gone? Can it still be returned? or maybe live the entire existence of your life, reminiscing that big regret?