If Jesus is not what's keeping you together, you will fall apart upon impact of any non-liner incident in your life. And He is before all things, and in Him all things hold together. Or confidence in yourself, but it must come from trusting the Savior who is faithful. Faith is the rivets of our ship. Therefore do not cast away your confidence, which has great reward.
Faith requires humility.
Paul's warning Do not think more highly of yourself than you ought but have sound judgement. We need Jesus. Hold on to faith by believing what Jesus says It is not elusive, we are forgetful Read Deut. This encourages faith Choose to believe. This strengthens faith.