When you give notice to your job, it's usually done to let your workplace know that you intend not to show up anymore—like that's the whole point. You're not saying, “Oh, yeah, feel free to keep me on the roster when it's convenient for you.” You're saying, “I'm leaving now, and I intend never to return. Good riddance to the lot of you.” Like ending any relationship, there's a chance that either party may not cope so well with the sudden change. Still, when it's your ego-maniac boss having a de…