1. review of emotional process: this expression can express a person's review of emotional process. Expressing a person's deep affection through A Drop of Tears will make him sad, sad, happy and grateful. It reminds people of past experiences and feelings and reflects the complexity and changes of emotions.
2. Thinking and feeling about life: This expression can be used to express one's thinking and feeling about life. It implies the brevity and preciousness of life and people's profound understanding of life. Through A Drop of Tears, people's thoughts on life, past events and destiny are conveyed, and people's thoughts and feelings about the meaning of life are triggered.