I don't think you will embarrass your brother, he is bringing you for a reason!
Maybe you could tell your brother about these anxieties and if anything happens he can make sure his friends cut it out?

I hope you have a good time!
__________________
Allie
Diagnosed: Generalized Anxiety Disorder & Obsessive Compulsive Disoder. Previous: Borderline Personality Disorder.
I no longer qualify for a diagnosis of Borderline Personality Disorder, but there will always be my borderline traits that I struggle with especially during times of great stress.
I've been working passionately as a therapist since December 2016
