Quitting isn't usually as explosive as the movies make it seem. It's not usually just someone at their wits end completely losing it and leaving all the burned bridges in their path. Usually, people planning on quitting try to take the high road and will put in a two week's notice and try to wrap things up so there are no loose ends after they leave, etc. etc. That is totally out of professionalism and not because you have to. But sometimes, it really is that abrupt. When you are working for so…