You just might be a graduate student if...
...you spend more on books than on tuition.
...you actually hope your professor assigns homework.
...you get a 3-hour final with 5 questions or less.
...the words "free time" are unfamiliar to you.
...you spend Saturday morning waiting for the library to open.
...you've memorized your professors' home phone numbers.
...your professors know your home phone number.
...more than 25% of your textbook is "left as an exercise for the reader."
...you are on a