你的心里只能有我你的怀里只能是我
[nĭ de xīn lĭ zhĭ néng yŏu wŏ nĭ de huái lĭ zhĭ néng shì wŏ]
This username implies a possessive, exclusive romantic relationship where the user desires to be the only one in the heart and embrace of another. It's a declaration of deep attachment and jealousy.