他是我左心房的住客她是我右心房的住户
[tā shì wŏ zuŏ xīn fáng de zhù kè tā shì wŏ yòu xīn fáng de zhù hù]
'He is a guest in my left atrium; She is a tenant in my right atrium.' This metaphor expresses complex relationships where significant people hold places within the author’s heart symbolized by different sections of the organ. The heart is often used to symbolize love and connections in Chinese expressions.