The person that comes in thinking they know all and they really don't know anything. Which leads to the cures of working alone. Then it is all my doing and I am the only one that could get hurt. Take the time for prep work has been drilled into my head so much that you can pre tell the oh crap moments. Or the why did you have to redo that after you got the stitches. Take the time for prep and thinking it really does help things go better and faster.