The more you practice, the more comfortable you become with the task at hand, and the more confident you feel about your ability to achieve success.
Compare your progress to your past self, not others.
Use affirmations to boost your confidence, feel inspired, motivated, and loved by yourself.
Seeing yourself achieving your goals can help build self-confidence, which is often key to achieving your goals.
Go after your goals, try new things, and face your fears
Empowering yourself with knowledge is a sure-shot way to build self-confidence.