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

https://www.pop-bookmarks.win/anger-often-feels-like-trapped-pressure-that-has-nowhere-to-go-you-might

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