Sometimes the folks at K5 really come up with an excellent post:
You're passionate about something. It doesn't matter what you're passionate about. It could be basketweaving, jai lai, or how to make a convincing escargot out of common slugs. Whatever it is, it's something no one else could ever, ever, possibly give a damn about. But that won't stop you, no sir! You're going to tell the world about it and write...
Heh.