It does not matter whether you are dating, newlyweds, or a couple that has been married for years. Conflicts will inevitably occur in relationships, and healthy conflicts are a sign of a healthy relationship. Many of us refuse to engage in healthy conflict, however, insisting instead that we are right and the other person wrong in the strongest possible terms. This type of black-and-white view must be avoided in order to maintain a healthy and stable relationship.
The first step in handling conflict is knowing what your buttons are, and those of your spouse or partner. Most people will have conflict in one of three big areas, finances, sex, and raising kids. When these important topics come up (and they inevitably will) it is important that both of the participants in the discussion be aware that this area has a long history of causing conflict in the relationship, and begin the discussion with the resolve to try and see the other persons point of view and present your own in a logical manner.
When conflict arises, avoid negating the other persons point of view. Do not take the stance of I just know. Try to demonstrate why it is you think what you are stating, and...