سنن ابن ماجه

It was narrated from Abu Umamah that the Messenger of Allah (ﷺ) said: “There is no one whom Allah will admit to Paradise but Allah will marry him to seventy-two wives, two from houris and seventy from his inheritance from the people of Hell, all of whom will have desirable front passages and he will have a male member that never becomes flaccid (i.e., soft and limp).’”