Not even the most significant leaders can escape periods where they lack self-confidence. Your self-confidence isn't a static quality but rather a mindset that, when the going gets rough, takes some effort to maintain. It is something that must be learned, practiced, and mastered just like all your other skills. When you can master it, your life will change for the better. Here are six ways you can build your self-confidence. Act the Part The one thing that can instantly demonstrate self-assurance, or scream insecurity, is your body language. You always want to present yourself in ways that say that you are ready to master any situation. Looking confident and acting the part will allow you to feel more in control and people will be much more confident with you as well.