Learn to love being told you are wrong or being insulted. Every insult is an opportunity. Being insulted offers you an opportunity to practice decency and having a non-response internally. When we are easily upset it is because we are internally unstable and unrefined spiritually. Any defensiveness is a sign of failure. You can't move forward if you are defensive. If you do not like a certain behavior in others, look within yourself to find the roots of what discomforts you. The conflicts we have with the outside world are often conflicts we have within ourselves. Criticism is no threat to your self-esteem or identity, but rather informs you. You can't see clearly through defensiveness. You can get to a place where you see clearly; that place is zero defensiveness. Take any concept you believe in deeply and say out loud, and with full conviction, that your dearest belief may be totally flawed. Say, "There is no doubt that I could be wrong." If you cannot do this, then you do not possess the idea, the idea possesses you. Change will never happen when people lack the ability and courage to see themselves for who they are. An intelligent person is never afraid or ashamed to find errors in their understanding of things. The best practice is to be around people who absolutely disagree. Grace in conflict is a study in love.