Ar-Rum · 30:21

21. From also from among the great signs of Allah which prove His power and oneness, is that He created for you - O men! - wives from among your species so that you may find contentment in them due to your special compatibility, and He put love and affection between you. Indeed, in the aforementioned are clear proofs and evidences for people who contemplate, because they are the ones who benefit by using their intellect.