情侣唯有他动我心唯有她懂我心
[qíng lǚ wéi yŏu tā dòng wŏ xīn wéi yŏu tā dŏng wŏ xīn]
Reflects a special couple relationship; one who stirs the heart and only this person understands its true feelings, suggesting exclusivity and deep mutual understanding between romantic partners.