before you break them.
"There are no absolute “rules” for good writing, only guidelines that have proven successful. Those who break the rules are the true artists. However, learn, practice, and master the rules first.”
Taken from The Writer’s Book of Wisdom - 101 Rules for Mastering Your Craft, by Steven Goldsberry, (http://www.amazon.com/The-Writers-Book-Wisdom-Mastering/dp/1582974942)