What is the purpose of creating man and woman relationship by Allah?

وَمِنۡ ءَايَٰتِهِۦٓ أَنۡ خَلَقَ لَكُم مِّنۡ أَنفُسِكُمۡ أَزۡوَٰجٗا لِّتَسۡكُنُوٓاْ إِلَيۡهَا وَجَعَلَ بَيۡنَكُم مَّوَدَّةٗ وَرَحۡمَةًۚ إِنَّ فِي ذَٰلِكَ لَأٓيَٰتٖ لِّقَوۡمٖ يَتَفَكَّرُونَ ٢١

And of His Signs is that He has created mates for you from your own kind that you may find peace in them and He has set between you love and mercy. Surely there are Signs in this for those who reflect.

Aur uski nishaniyon mein se yeh hai ke unse tumhare liye tumhari jins se biwiyan banayi taa-ke tum unke paas sukoon hasil karo aur tumhare darmiyan mohabbat aur rehmat paida kardi. Yaqeenan is mein bahut si nishaniyan hain un logon ke liye jo gaur o fikr karte hain