... you do stuff (take photos, make images, etc.) with the intent of showing them to the people on this forum instea of your real-life friends.
... you decide that you will port a program your computer science teacher wrote to something OS X-compatible.
... you can't imagine why the people at CompUSA would hook a 23" Cinema Display up to a fancy PC.
... you want a date with Giaguara. (Whoa! Did I say that?)