So cringe

If there is one thing worse than an annoying boss, it's an annoying coworker. This coworker in particular got promoted, presumably because they were related in some way or another to upper management. That wouldn't be so terrible if they had any work morale whatsoever. Ten years ago, OP was working in a company that did salary packaging. The service that the company offered was basically collecting mortgage statements, rental agreements, credit card bills etc., and then advising their clients'…