Appearance is important when it comes to your working life—well, really any time you're relying heavily on first impressions and social perception. It's an unfortunate fact that remains one all the same: The book is often judged by its cover. This extends past basic aesthetics of dress and into body language and the way we communicate, giving others a wholly inaccurate impression of our trustworthiness and competency for a role or task. To make matters worse, everyone has their own understandin…