You can turn your anger into positive energy! Use the rush of energy to refocus on something that matters more to you.
Don’t let his behaviour be your reason to beat up on yourself – allow him to be as he chooses to be. Focus your energy on yourself, what you desire and how you want to feel.
Anger is good! Anger means you have a strong desire about something and you are currently looking in opposition of how you want it to be. Use this opportunity to refocus and let the anger wash away by replacing it with clear focus.