Anger often acts as a pressure valve for stress you haven't been able to...

https://atomic-wiki.win/index.php/What_Does_Anger_Counselling_Actually_Cost_in_Vancouver%3F_(And_Why_You%E2%80%99re_Feeling_This_Way)

Anger often acts as a pressure valve for stress you haven't been able to release. When you carry the weight of work or home life, it shows up as a tight jaw, knotted shoulders, or persistent sleep issues