大道理人人都能懂小情绪却难以自控
[dà dào lĭ rén rén dōu néng dŏng xiăo qíng xù què nán yĭ zì kòng]
This username reflects the common human experience where although everyone understands logic and reason, it's hard to control one’s own small moods or emotions. It conveys a sense of self-awareness and frustration.