Sunan an-Nasa'i - Book 3, Hadith 39
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It was narrated from 'Aishah that she used to comb the hair of the Messenger of Allah (ﷺ) when she was menstruating and he was performing I'tikaf. He would put his head out to her while she was in her room.
How the Prophet ص modelled this behaviour here
Affection & Tenderness
“He would put his head out to her while she was in her room.”
Openly expresses love, affection and tenderness to his wife through warmth, closeness and kind gestures.