Sometimes you need to quit because you're not getting paid enough for the work you do. Sometimes you are getting paid well for the work you do, maybe even over the usual market value for your position, but if the work environment is making you miserable, you still need to quit. Obviously, it's up to you, do whatever you want, but are you seriously okay with having to endure such a volatile place for such a a huge chunk of your life? One banker said enough is enough. She had been working at this…