What was narrated concerning a man washing his wife and a woman washing her husband Sunan Ibn Majah 1465

Arabic hadith text
حَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى، حَدَّثَنَا أَحْمَدُ بْنُ حَنْبَلٍ، حَدَّثَنَا مُحَمَّدُ بْنُ سَلَمَةَ، عَنْ مُحَمَّدِ بْنِ إِسْحَاقَ، عَنْ يَعْقُوبَ بْنِ عُتْبَةَ، عَنِ الزُّهْرِيِّ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ، عَنْ عَائِشَةَ، قَالَتْ رَجَعَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ مِنَ الْبَقِيعِ فَوَجَدَنِي وَأَنَا أَجِدُ صُدَاعًا فِي رَأْسِي وَأَنَا أَقُولُ وَارَأْسَاهُ فَقَالَ ‏"‏ بَلْ أَنَا يَا عَائِشَةُ وَارَأْسَاهُ ‏"‏ ‏.‏ ثُمَّ قَالَ ‏"‏ مَا ضَرَّكِ لَوْ مِتِّ قَبْلِي فَقُمْتُ عَلَيْكِ فَغَسَّلْتُكِ وَكَفَّنْتُكِ وَصَلَّيْتُ عَلَيْكِ وَدَفَنْتُكِ ‏"
Translation
It wasnarrated that ‘Aishah said

“The Messenger of Allah (ﷺ) cameback from Al-Baqi’ and I had a headache and was saying: ‘O myhead!’He said: ‘Rather, I should say, O my head, O ‘Aishah!’Then he said:‘It will not matter if you were to die before me, forI will take careof you, wash you, shroud you, offer the funeralprayer for you andbury you.’”