Kirk loves Spock ! The Ring of Soshern was probably written before 1976, making it one of the earliest K/S stories. Photocopies of the manuscript circulated very privately, before it was finally published in 1987 in Alien Brothers. In the story Kirk and Spock beam down to a previously unexplored planet to investigate some mysterious sensor readings. Through a miscalculation the Enterprise gets caught in an ion storm and must leave them behind. Kirk and Spock are left deserted on the planet, not knowing when the ship will be able to return for them, for there will be much damage from the ion storm that Scotty will have to fix first. Over the next days Kirk and Spock have to deal with dangerous plants, dinosaur-like creatures, and even some shaggy humanoids. They each in turn get wounded and must be tenderly ministered to by the other. But the real crisis comes when Spock begins to go into pon farr. Although Spock is only half-Vulcan, he still goes into the heat suffered every seven years by all Vulcan males. He will go into a blood fever, become violent, and finally die if he does not mate. And he cannot mate with just anyone; it must be someone with whom he is already empathically bonded. Kirk realizes that there is a bond of love between him and Spock because of the years they have worked together. Kirk goes to Spock, who at first refuses his offer but then his blood fever takes him over and he has no choice. Not only does their sexual act save Spock's life, it makes Kirk realize that he does not just love Spock, he is in love with Spock. Spock too realizes his love for the captain and they spend all their remaining days on the planet exploiting both the planet and each other's bodies.
Constance Penley in Feminism, Psychoanalysis, Popular Culture