Quitting your job often requires a one to two-week notice, which you normally give your boss with a grin on your face, knowing that soon enough, you'll be put out of your misery. Unless of course, you like your job, in which case, never mind. In this case, OP was working as a head bartender and got a new job as a senior bartender at another company. So, OP did what everyone else does when they decide they're going to quit: he informed his manager, giving in his one-week notice. His manager sat…