In a cool diversion from the standard "you can do it, follow your dreams!" type articles, UnicornFree says instead Don't Follow Your Passion:
It's an age-old story: Boy meets passion, boy follows passion, passion turns out to be a mirage and/or actually a big pain in the ass, despite how rosy it may have seemed from a safe distance.
Now, it's not so cut and dried, or depressing, but it's a different take on things that anyone with entrepreneurial endeavors should take a look at.