Roberts, C. J., dissenting
ans. It arose in the nature of things to meet a vital need: ensuring that children are conceived by a mother and father committed to raising them in the stable conditions of a lifelong relationship. See G. Quale, A History of Marriage Systems 2 (1988); cf. M. Cicero, De Officiis 57 (W. Miller transl. 1913) (“For since the reproductive instinct is by nature’s gift the common possession of all living creatures, the first bond of union is that between husband and wife; the next, that between parents and children; then we find one home, with everything in common.”).
The premises supporting this concept of marriage are so fundamental that they rarely require articulation. The human race must procreate to survive. Procreation occurs through sexual relations between a man and a woman. When sexual relations result in the conception of a child, that child’s prospects are generally better if the mother and father stay together rather than going their separate ways. Therefore, for the good of children and society, sexual relations that can lead to procreation should occur only between a man and a woman committed to a lasting bond.
Society has recognized that bond as marriage. And by bestowing a respected status and material benefits on married couples, society encourages men and women to conduct sexual relations within marriage rather than without. As one prominent scholar put it, “Marriage is a socially arranged solution for the problem of getting people to stay together and care for children that the mere desire for children, and the sex that makes children possible, does not solve.” J. Q. Wilson, The Marriage Problem 41 (2002).
This singular understanding of marriage has prevailed in the United States throughout our history. The majority accepts that at “the time of the Nation’s founding [marriage] was understood to be a voluntary contract between
