In episode 54 of How To Matter, I ponder over whether and how much people actually change. I think you may find the conclusion a little surprising. The article below serves as the handout for the episode.
The direction of a man's thought is always the decisive factor in his personality. His whole outer life will be determined by the inward inclination of his mind. -- Erich Sauer
You are firm, decisive, and definitely not wishy-washy. At the same time, you are neither rigid nor inflexible. Rather, you are open, receptive, and accommodating while remaining clear and steady about your views, opinions, ideas, intentions, and beliefs.