Sahih al-Bukhari - Book 78, Hadith 143
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Narrated Abu Huraira: A man said to the Prophet (ﷺ) , "Advise me! "The Prophet (ﷺ) said, "Do not become angry." The man asked (the same) again and again, and the Prophet (ﷺ) said in each case, "Do not become angry."
How the Prophet ﷺ modelled this behaviour here
Conflict Resolution Emotional Stability
“Do not”
Demonstrating emotional mastery by staying grounded and choosing how to respond rather than reacting impulsively; remaining a steady presence even when she is frustrated or distant