Allah the Almighty said ( interpretation of the meaning ): { And of His signs is that He created for you from yourselves mates that you may find tranquillity in them; and He placed between you affection and mercy. Indeed in that are signs for a people who give thought.} Quran ( 30:21 ).

Allah described the woman as a source of tranquility for her husband since she provides him with comfort, tranquility and calm