Inferioriy

What is it about Lecturers that makes me feel so inferior? (Besides the fact that academically speaking I am) I want to talk to them, I want to ask questions or for advice, but my tongue ends up in a knot. I feel panic stricken and often completely forget why I have asked to speak to them. I go in armed with my list of issues / questions and come out feeling a right plank and worrying about the fool I have just made of myself. They are only human, just like me, they are willing to see me, they encourage and guide me, so why do I feel so inferior?