Well, it IS fun, but it's also hard work! It's tough making sure you're covering all the storytelling points you need to. My hat's off to anyone who can make a living doing storyboards on a regular basis. 
Couldn't agree more. I always love to see the storyboard of movies and animations. And then compare those to the finished product. It's an amazing leap from one to the other, and I feel great respect for all the people that made it happen, begining of course, with the storyboard people