Write an article based on this "Bring the relationship into the picture. Help your husband to break his habit. Seek marriage counseling. Seek individual counseling."
If he is still justifying what he is doing, then you need to show him how serious you really are. Tell him that you feel your relationship is threatened by what he does. In a healthy marriage, neither partner wants to engage in behavior that harms the other person or the marriage. If your husband is dedicated to the marriage and to you as his partner, your seriousness over this particular issue should convey to him that his behavior is unacceptable and that it has to change or else the marriage will suffer. If you husband feels like he is checking out other women without even realizing it, then his behavior may be a deeply ingrained habit. You can help your husband to break his habit if he is willing to do so. One good way to break a habit is to identify the reward that you get out of the habit and find a way to replace that reward with some form of punishment. For example, if your husband feels aroused when he looks at an attractive woman, then you could show him a picture of something ugly or gross as a punishment for checking out another woman. If your husband's behavior bothers you and is affecting your marriage, it is time to seek counseling. Often it takes a neutral third party to reinforce that your feelings about this type of behavior are not overreactions, and that this type of behavior is destructive.  If you're a member of a faith based organization, marriage counseling is often available through your church. Try to find a therapist with certification in marriage counseling. If marriage counseling doesn't help-- that is, if your husband continues to ogle other women and does not want to or try to change-- then you may want to consider a break. You deserve a relationship built on mutual respect. Individual counseling may also be helpful for you and for your husband. Talking to a counselor on your own can give you a chance to talk about how your husband’s behavior makes you feel. Your husband may also have some issues that he needs to work out with a professional counselor. If you can't afford counseling, check out books that can help you to build self-esteem. Consider Brené Brown's The Gifts of Imperfection or Leslie Vernick's The Emotionally Destructive Marriage.