Acknowledging fear and vulnerability doesn't make you any less of a man--it helps you become more of one. Even the best of us have our off days. Those days when you just feel unmotivated, uninspired, or maybe a little lost. As confident as you may be, there are situations that can bring you down or knock you off your game. Maybe it's an important speech you have to make in front of millions of people, or a lovely woman you...