All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger. We ask Allaah to exalt his mention as well as that of his family and all his companions.
Among the most important religious objectives in marital life is the achievement of stability and affection. Allaah Says (which means): {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….}[Quran 30:21]. In order to achieve this objective, the spouses must respect each other and fulfil each other's rights. On one hand, the husband is Islamicly obliged to spend on his wife and live with her reasonably; Allaah Says (which means): {…And they (women) have rights (over their husbands as regards living expenses, etc.) similar (to those of their husbands) over them (as regards obedience and respect, etc.) to what is reasonable,}[Quran 2:228]. On the other hand, the wife is Islamicly required to obey her husband within what is permissible as long as she is not harmed. The Prophet said: "If I were to order anyone to prostrate to someone else other than Allaah, I would have ordered the wife to prostrate to her husband." [At-Tirmithi]
It is on the above basis that the family should be established if the spouses want to be happy. A person who wants to marry should think accordingly. As regards assuming the occurrence of misunderstandings or disputes and the like between the spouses, then this could negatively affect the marital life especially that the grounds of discussion are made clear in our religion, like the husband being the person who protects, preserves and spends on his wife, while the wife is obliged to obey him within what is permissible.
Finally, there is no harm to promise whoever you want to marry not to differ with him in matters that are permissible to obey him or in matters in which you are obliged to obey him.
Allaah Knows best.