When we are suffering from some psychological pain, such as loneliness, social isolation, self doubt, negative emotions, and feel that life is meaningless, nostalgia can play a role in coping mechanism  These troubles make the brain begin to screen its own memory bank and summarize some fragments with specific narrative characteristics  Through nostalgia, we can resurface past successful experiences and close interpersonal relationships, At that time, our lives were safe and orderly  The psychologist explained: you are reiterating to yourself that 'I have done great things' and hope this sentence can predict the future development ' although I am not sure now, looking at my past, I know that I am a lovable person
Nostalgia is our driving force
 I am destined to achieve great things'