Confidence is not
"If they like me"
"I will be fine if they don't"
When you stop trying to gain approval of others and understand not everyone is going to like you or understand you, life gets easier.
To be honest, at the end of the day does it really matter?
Be happy with who you are. No one person is perfect. And for those individuals out there who think they are, it's ok. They may truly believe it. Who cares! It should not affect the outcome of your day.
Live your life fulfilling your dreams. Do not let anyone or anything stop you.