You're only feeling empty. A person without any plans, aims or things they want to complete will always feel empty. Everyon's life are leading by their aim, their dream, like i'm studying because i want to get into Unsw, then i'm doing uni because i want a good job, etc. Without any aim or plans, you're like a lost puppy that doesn't know where the road they're walking on leading them to. SO, spend a day or two figure out what you want to do, this is only the beginning of the whole new life awaiting you, and it is important that you are able to figure out what you want to do with it.