Back to school

I am among the many students who went back to school this week.  I'm excited that I have just five classes left to earn my Bachelor's of Information Science and Technology in the spring!  

Of course, when I tell people this, they think this means I'll be done with school next year, and that's not the case.  I intend to go on for my MLIS.  This inevitably leads to the dreaded and annoying question, "Why do you need a master's degree to be a librarian?"

There's really no short answer to this question, but I do my best to explain what library work entails.

Most of you reading this are probably already established in the profession.  Do you still get this question?  How do you answer it?