I used to be very loud and outgoing. Then I found out why people were always annoyed by my presence and also found out why people treated me differently, like they talked down to me like I'm a literal retard. Then I became quiet after that and don't talk to anyone anymore. By the way, this proves the "your perceived intelligence is determined by your looks" 100% true. I'm a fucking computer science engineer for fucks sake, yet people take one look at me and immediately assume I'm retarded and special needs.