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

https://www.pfdbookmark.win/anger-often-acts-like-pressure-building-beneath-the-surface-you-might-notice-1

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