我姓方我心房
[wŏ xìng fāng wŏ xīn fáng]
A clever play on words; 'Fang' can be both a common Chinese surname (方 Fang) and also means 'square' or 'space'. Here, it could imply that the user's heart ('心房 xinfang', literally heart space/room) is shaped or defined by their family or name.