It was narrated that 'Aishah said:"Usamah stumbled at the threshold of the door and cut his face. The Messenger of Allah said: 'Remove the harm (the blood) from him,' but I was repulsed by that. He started to suck the blood and remove it from his face, then he said: 'If Usamah were a girl, I would have adorned him and dressed him until I married him off."'
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا شَرِيكٌ، عَنِ الْعَبَّاسِ بْنِ ذَرِيحٍ، عَنِ الْبَهِيِّ، عَنْ عَائِشَةَ، قَالَتْ عَثَرَ أُسَامَةُ بِعَتَبَةِ الْبَابِ فَشُجَّ فِي وَجْهِهِ فَقَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " أَمِيطِي عَنْهُ الأَذَى " . فَتَقَذَّرْتُهُ فَجَعَلَ يَمَصُّ عَنْهُ الدَّمَ وَيَمُجُّهُ عَنْ وَجْهِهِ ثُمَّ قَالَ " لَوْ كَانَ أُسَامَةُ جَارِيَةً لَحَلَّيْتُهُ وَكَسَوْتُهُ حَتَّى أُنَفِّقَهُ " .
IbnMaja
The Chapters on Marriage • Hadith 1976