Preparing for meeting with creditors (bankruptcy)?

I have no attorney, I am 22 filing single bankruptcy mostly medical bills, a carr voluntary repo, some jewelry. I am nervous about my meeting with the creditors tomorrow. I was unemployed that caused me to get behind on payments and I was in over my head & couldnt ever get caught up. I was also just 19 when I got all this dumb crap. Im just nervous bcuz I dont have a lawyer & im doing this all mys