Recently on the Today Show, Brad Pitt briefly discussed his family, including long-time girlfriend Angelina Jolie and their six adoptive children. When asked if he planned to marry Angie, he said if they determine it would benefit their children, they would do so. Following is some evidence that could change the mind of people wondering if long-term cohabitation is as good a choice as marriage for families with children. Hopefully, most Americans aren't modeling their lives after Hollywood celebrities, but cohabitation is becoming more common, so the issue is worth discussing. Marriage is not just a financial decision