Recite Surah Ar-Rum for marriage disagreements

وَمِنۡ ءَايَٰتِهِۦٓ أَنۡ خَلَقَ لَكُم مِّنۡ أَنفُسِكُمۡ أَزۡوَٰجࣰا لِّتَسۡكُنُوٓاْ إِلَيۡهَا وَجَعَلَ بَيۡنَكُم مَّوَدَّةࣰ وَرَحۡمَةًۚ إِنَّ فِي ذَٰلِكَ لَأٓيَٰتࣲ لِّقَوۡمࣲ يَتَفَكَّرُونَ

Wa min aayaatihee an khalaqa lakum min anfusikum azwaajal li-taskunoo ilayhaa wa ja'ala baynakum mawaddatan wa rahmah, inna fee dhaalika la-aayaatil li-qawmiy yatafakkaroon

And of His signs is this: He created for you helpmeets from yourselves that ye might find rest in them, and He ordained between you love and mercy. Lo! herein indeed are portents for folk who reflect

Qur'an 30:21 (Ar-Rum)