Do you know who you am?

Question:

Do you know who you am?

Do you know who you is?

What does it mean when someone says "Who are you?" While many of us would respond by saying whatever job we do is who we are (or at least part of it), what is a proper response to the question?

Best Answer - Chosen by Asker: I would not get too metaphysical if you don't want to turn people off.
Most people just want to hear some small talk, and would be totally baffled by existential angst.
Just say something about your occupation, and save the deep thoughts for your soul mate.