In adopting [Proposition 8,] the People simply took the designation of ‘marriage’ away from lifelong same-sex partnerships, and with it the State’s authorization of that official status and the societal approval that comes with it. By emphasizing Proposition 8’s limited effect, we do not mean to minimize the harm that this change in the law caused to same-sex couples and their families. To the contrary, we emphasize the extraordinary significance of the official designation of ‘marriage.’ …
Had Marilyn Monroe’s film been called ‘How to Register a Domestic Partnership with a Millionaire,’ it would not have conveyed the same meaning as did her famous movie, even though the underlying drama for same-sex couples is no different. The *name* ‘marriage’ signifies the unique recognition that society gives to harmonious, loyal, enduring, and intimate relationships.
"— Prop 8 decision from today, p. 36-8.