Don't think about him, just let go. What song?

Don't think about her. This lyric poem expresses the nostalgia and regret for the lost love. The lyrics mentioned "Don't miss her, just let go, just love", suggesting that the hero lost his beloved, but still can't forget it, feeling painful and helpless about his departure. The lyrics also mentioned, "Are you still afraid of heavy rain? Do you still have short hair? " Suggest that the protagonist still remembers the girl's habits and looks and expresses his thoughts. The whole lyrics reveal a kind of sadness, helplessness and nostalgia.