1. In the midst of what would typically be a horrible situation, you find yourself thinking or saying "Man, this will make a great blog."
2. You can not focus on the task at hand until you blog what is on your mind.
3. You lie awake at night wondering when a fellow blogger is going to post about a particular topic.
4. You can not wait for your next blogging fix.
5. You enjoy reading others blogs as much as you enjoy writing your own.