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

https://www.insert-bookmark.win/anger-often-hides-a-deeper-layer-of-pressure-that-builds-up-at-work-or-home-if

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