你不懂我的好就滚容不下我的坏就滚
[nĭ bù dŏng wŏ de hăo jiù gŭn róng bù xià wŏ de huài jiù gŭn]
This username expresses the idea that if you can't accept both the good and bad aspects of a person, then you are not welcome. It suggests an all-or-nothing attitude towards relationships.