别拿感情刀
[bié ná găn qíng dāo]
'Don't Wield the Sword of Emotions' conveys that one should not misuse or mishandle emotions. Love, friendship, family affection, etc., can easily cause wounds and conflicts if treated carelessly or exploited for wrong intentions. Such a username reminds both oneself and others to treat relationships gently and cautiously, avoiding hurting anyone through mismanaged emotions or words.