﴿ وَكَيْفَ تَأْخُذُونَهُۥ وَقَدْ أَفْضَىٰ بَعْضُكُمْ إِلَىٰ بَعْضٍۢ وَأَخَذْنَ مِنكُم مِّيثَٰقًا غَلِيظًۭا ﴾

“And how could you take it away after you have given yourselves to one another, and she has received a most solemn pledge from you?”

Please check ayah 4:22 for complete tafsir.