Anger isn’t just a bad mood. It is usually high-pressure exhaustion building up...

https://innovativemen.com/health-conditions/mental-health/anger-management-in-vancouver-whats-really-behind-the-frustration/

Anger isn’t just a bad mood. It is usually high-pressure exhaustion building up under the surface. You might notice it as a locked jaw at your desk or tight shoulders that never seem to relax. You might even struggle to get a full night of sleep