别说我很好只对你好
[bié shuō wŏ hĕn hăo zhĭ duì nĭ hăo]
The username '别说我很好只对你好' means 'Don’t say I am nice unless it is only for you.' This expresses that one’s kindness and love are exclusively reserved for a specific person, highlighting the exclusivity and intensity of this feeling.