把心掏给你你还嫌腥
[bă xīn tāo jĭ nĭ nĭ hái xián xīng]
This username expresses the feeling of being sincerely devoted to someone, even at great personal cost, but still finding that it's not enough for the other person. The word '腥' literally means 'fishy smell,' metaphorically conveying a sense of disgust or rejection.