我对感情偏食只有你对我胃
[wŏ duì găn qíng piān shí zhĭ yŏu nĭ duì wŏ wèi]
This means 'I am picky about relationships; only you match me'. It indicates that among all potential relationships, the user only feels right when matched or accepted by one particular person, reflecting selectivity in affection.