Their hope is not to be condemned to live in loneliness. Despite the beauty of Justice Kennedy’s prose  — and it is beautiful, most of it; it reminds me, in its way, of the closing passage of Thornton Wilder’s “Bridge of San Luis Rey,” and we’ll get back to that in a minute — it does, in those words, obscure its point: No American citizen should be denied access to an institution of the government. I feel like Kennedy was perhaps less interested in suggesting that a life without marriage is such poor broth — and yet there it is. There is something so final and damning about the word “loneliness,” a 21st-century emotional leprosy for those who failed to heed Princeton Mom’s instruction to lock one in before the Botox. Most people marry. I expect I will, too, one day, the same way I expect to visit Bhutan, own a Saab, and never kiss a monkey because I just absolutely hate monkeys. But I am happy either way! One of the happiest days of my life was the day before …