Book 45, Hadith 141
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Abu Huraira reported: I heard Allah's Messenger (ﷺ) as saying: One is not strong because of one's wrestling skillfully. They said: Allah's Messenger, then who is strong? He said: He who controls his anger when he is in a fit of rage.
How the Prophet ﷺ modelled this behaviour here
Emotional Accountability
Taking full responsibility for her own happiness and emotional state instead of blaming her husband for how she feels.