(40) باب فِي الرَّجُلِ يَشْتَرِطُ لَهَا دَارَهَا
'Uqbah bin 'Amir reported the Apostle of Allaah (ﷺ) as saying "The condition worthier to be fulfilled by you is the one by which you made the private parts (of your wife) lawful (for you).
Reference: Sunan Abi Dawud 2139
In-book reference: Book 12, Hadith 94
English translation: Book 11, Hadith 2134