Twelve years ago, he left for some reason and left her no words. Since then, there has been no news from him. But he didn't know that he was already in her heart. Twelve years later, she learned from others that he had passed away. The moment she heard the news, she felt as if she had received an electric shock! Could it be that she was not even a relatively close person in his heart? How could this make her feel so embarrassed? "That's it!" She thought to herself, "Good luck to you in heaven! I will remember you and our memories for the rest of my life."