I got an email from a young reader recently, who bought a journal some time ago and has been staring at the empty pages ever since, waiting for inspiration to strike. She wanted to know what should she write about? What shouldn't she write about? Everything! Anything! But, of course, what she is really asking is, "How do I begin?" 
When you have a blank piece of paper (or a computer screen) in front of you, the good news is that you are in complete creative control. You are free to doodle...