Most Vulcans don't really believe in gods and goddesses, though they still hold the idea of them with a cultural reverence. Spock was a believer. Not in most of the supposedly mythical entities, but in a particular pair.
His Goddess was an ancient one, both male and female and neither and every possible combination in between. She blessed the unions between bondmates, especially those who were T'hy'la, he was a balm during pregnancies and births, they were the warmth in a content home.
Spock had studied his Goddess with reverence as a child, though he felt shame when he would desire to be as her Consort was. The records of the two deities were considered by most to be nothing but fictional accounts, but Spock believed.
To his shame Spock imagined he was the Consort, mortal born yet he had caught the eye of the Goddess, and she had granted him godhood. He was her constant companion, her guardian and her beloved to protect, the bearer of their offspring, and... her T'hy'la.
Spock had longed for that sort of connection, a bond even more complete than a marriage bond, and yet he knew that most Vulcans thought the bond, much like it's deific guardians, was nothing more than old mythology that had no place in modern society.
But Spock believed.
He'd memorized all the texts, and the ancient paintings of the duo were etched into his memories. He wouldn't speak the words to anyone, but in his mind he saw his own face in all the images of the Consort.
And his Goddess. She of the blonde hair, with the bluest eyes. She was exotic and beautiful, and if not for her slanted eyebrows and pointed ears, Spock would have assumed that she was Human.
Spock knows his devotion to his Goddess was part of the reason he left Vulcan to join Starfleet, to be even closer to people who would remind him of the object of his devotion.
And then one day he comes face to face with an almost perfect copy of his Goddess. The cadet is beautiful, stunning, so very Human and yet that face is the one Spock has worshipped his whole life. So he takes it upon himself to be Jim's guide and guard and confidant and hopefully one day his Consort.
Because Spock knows, as truly and completely as the fact of gravity, that James Tiberius Kirk is his Goddess reborn, and Spock will forever be his.
