I can understand the anxiety.  I'm a rookie cop.  I have people asking me questions all of the time and they expect me to know all the answers.  I feel terrible having to call my supervisor to ask for advice.  I hate the feeling of failure when I mess up on a report and have to make changes because my documents affect people's lives.  I got into this job to help people but sometimes I feel like I'm not making much of a contribution.  All I can do is hope I improve over time and get over this terrible feeling of hopelessness.  Ugghhhh I have to get back to work in 5 1/2 hours.  Watching the clock tick.