I have always been a pretty by-the-book girl. I think it comes from being raised by a school teacher and an engineer, along with some vestiges of typical first born personality traits (I am definitely not Type A, but I cannot bring myself to sneak into the movies or go to a park after it officially closes). I am terrible at lying (embellishing doesn't count), I can't haggle, and I feel guilty about taking free samples of things that I have no intention of buying.
But some rules need a little bending every once and a while.