While usually well-intentioned, geeks are often awkward in social situations. (No, Facebook doesn't count.) We're talking about face-to-face conversation. Short of a permanent power outage, it might be the geek's worst nightmare.
Preparing for any competitive exam can be nerve wrecking. There are so many different subjects that one has to study in a short span of time, and then there is the fact that your future largely depends on that one exam. So what does one do in such a situation?