You'll have to get used to early mornings, (if that's not already your thing,) which in turn will mean partying on a Wednesday night is probably out of the window, especially if there's a longer commute than you're used to going to university. It might be the case that you're lucky enough to have bagged your dream management consultant or finance job, but there's a good chance that you don't really know what the corporate world is really like. It's best to keep an open mind and remember that your preconceived ideas might not fit with what you've figured your day-to-day job will be like. So change number two is going to be a little more challenging for some, and you're going to need to feel as confident as possible as you walk into the office on your first day. No matter what your thoughts are one embarking on your…