I was recently told in a coaching session, "One should not revel in comfort, but in confidence", meaning that a certain level of discomfort leads to growth and a more dynamic, passionate life. This is true too in your home. The most compelling spaces are those that find creative ways to incorporate elements of the different, the quirky, the unexpected. Don't let your rooms rest on their laurels. While the goal is comfort, it is also to impassion and inspire. Stretch yourself, nothing is permanent - give it a try and see how you like it. Your spaces should evolve over time as you do in order to constantly stimulate.
What elements can you incorporate that add confidence to your comfort?
Aptly enough, our perfect photo example comes from Mary Randolph Carter's fabulous book A Perfectly Kept House is the Sign of a Misspent Life - check it out for great examples of breaking the rules in favor of embracing your eccentricities.