Believing in yourself and not letting the opinion of others affect you" means having strong self-confidence and a sense of self-worth, where you prioritize your own beliefs and goals over the judgments or perspectives of others, essentially choosing to not be swayed by external opinions and staying true to yourself. Dr. Fred Clary, founder of Functional Analysis Chiropractic Technique and lifting/life coach/ gym-chalk covered philosopher talks about the steps needed to change your life!