A man had vowed to make his wife like his mother (i.e. forbidden for him). Then he had intercourse with her, so he went to the Prophet (ﷺ) and said, "I had intercourse with her before making the atonement." He replied, "Do not go near her till you do what Allah has commanded you to do." Reported by…
"فَلَا تَقْرَبْهَا حَتَّى تَفْعَلَ مَا أَمَرَكَ اَللَّهُ"