The history of our nation has demonstrated that separate is seldom, if ever, equal.
. . . .
. . . The dissimilitude between the terms civil marriage and civil union is not innocuous; it is a considered choice of language that reflects a demonstrable assigning of same-sex, largely homosexual, couples to second-class status.
. . . .
. . . [T]he Massachusetts Constitution does not permit this type of labeling.
The distinction between tolerating homosexuality and endorsing homosexuality turns out to be key for various public policy decisions. The reality is that most people in this country do not believe that homosexuality is morally equivalent to heterosexuality. Indeed, a clear majority of the public believes it is better to be heterosexual than homosexual, better for individuals to be in long-term heterosexual relationships, rather than long-term homosexual relationships; and better for children to be brought up in families headed by a heterosexual couple, rather than a homosexual relationship.
See Feldblum, supra note 60, at 18687. The attainment of marriage may not, at least initially, shatter the perception that heterosexual households are preferable to same-sex households. This distinction may operate to define same-sex marriage as a different, and lesser, form of heterosexual marriage.