Sahih al-Bukhari - Book 2, Hadith 49
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Narrated Sa'd bin Abi Waqqas: Allah's Messenger (ﷺ) said, "You will be rewarded for whatever you spend for Allah's sake even if it were a morsel which you put in your wife's mouth."
How the Prophet ﷺ modelled this behaviour here
Provision Financial Care
“even if it were a morsel which you put in your wife's mouth”
Providing for family needs; financial responsibility; ensuring comfort; working diligently; managing resources wisely