1, shallow happiness: expressing slight liking, usually referring to feeling good about someone or something, but not particularly deep or strong feelings.
2, quiet love: refers to deep love, usually refers to a deep and quiet emotional state, which may be love for family, friends or partners.
3. Deep understanding: refers to a deep understanding and understanding of someone or something, usually an emotional state formed through long-term coexistence and experience.
4. Ease: It refers to being indifferent to someone or something, usually after experiencing something, and having a tolerant attitude towards past emotions.