Humbling is looking at the notes you jotted down in preparation for a promotional exam, and realizing that nowhere did you write down the word,"SURVIVE."  Dear past self - you'll pass the test, and realize that the one day of testing is nothing compared to the challenge of being responsible for a group of adults.  Just slow down, breathe, and SURVIVE.  Nobody really cares what you said on that oral board, and I guarantee nobody remembers that speech you opened with.  And dear past self: you know how you keep telling your five year old to 'Make good choices?'  Just do that everyday.  I promise it'll work out.