我只是个情绪别致的疯子
[wŏ zhĭ shì gè qíng xù bié zhì de fēng zi]
Meaning 'I'm just an eccentrically moody lunatic,' the phrase suggests a whimsical acceptance—or even embracing—of one's unpredictable nature and mental quirks, implying uniqueness amidst perceived instability.