Vent or change? People's emotions will directly reflect a person's joint behavior. People are more depressed when they are angry. If you change your avatar or your signature, it is also a kind of catharsis or change. If it is a spit type, changing the avatar and signature is a kind of catharsis, which can adjust the mood and mood. If you are introverted, you will change some avatars and signatures that adapt to your mood to adjust to happiness.