Specifically YOUR underwear.
Hey Brandon, I know your pain. I've always had anxiety whenever I speak at a meeting, but remember that everyone in these rooms started out just like me and you? We are getting uncomfortable, we are trying to change and in order to do that we have to face 
our fears? No one is better or worse, some have just been around longer and that's a good thing. Try to find a place you are comfortable with and take your time. There are a lot of good people who understand us, you can do it brother, stay strong and God Bless you!
Do the steps. Get a sponsor if you don’t have one. Staying quiet for now and listening is fine. With time if you work the program you will feel more comfortable and have something meaningful to say...IF you do the steps with a sponsor. Please read the book. And the 12x12 