Me to post them here you fucking idiots..
Triggers for social anxiety disorder (SAD) vary but often involve situations where you might be judged, scrutinized, or humiliated, such as public speaking, meeting new people, eating in public, using public restrooms, or attending parties; underlying factors like negative self-view, past traumatic experiences (bullying), family environments, and even substances like caffeine/alcohol
https://www.google.com/search?q=what+are+the+triggers+for+social+anxiety+disorder