Disclaimer: Unfortunately I don't own Star Trek. Otherwise Spock would be MINE. ;)
When Amanda was sick, embassador Sarek had to take his little son with him to Earth to meet with the Federation Council. But since a four year old child would only be disturbing in a meeting with other embassadors, he could not take Spock with him to the government. He decided to leave his son at Starfleet kindergarten where a few other children were already playing, most of them the sons and daughters of high rank officers who came to Earth for meetings or new assignments.
Spock played on his own with a jigsaw puzzle when he heard a small boy crying, who was attacked by older children. "Leave him alone!", he said and stepped between them and the small boy with dark blonde hair.
"Or what?", the tallest of the older boys asked.
"Ever heard of Vulcan nerve pinf?", Spock asked in return with a lisp, eventhough he did not knew how to do the nerve pinch. The older ones didn't seem to know he was bluffing and retreated and only seconds later, he felt arms around him and a head on his chest. The small boy, probably a year younger than himself, hugged him and held him so close, Spock almost had problems breathing.
Then he let go and ran off to a man who just stepped in. "Daddy, daddy, that boy just saved me. He's my prince, my knight in shining armor. When I'm all grown up, I'm gonna marry him." While saying that he pulled his father closer to Spock who just stared at the small boy. No one ever had made him feel welcome, except his own mother, and this human liked him that much?
"If fat a promif?", he asked and the blonde child nodded his head.
Spock took his hand. He just wanted to say hello like humans did and didn't plan to do anything else, but for a second he had the feeling he had known this boy all his life. He could feel him, in a way he never had felt anyone before. "I'm Fpock", he said, his eyes fixed on those of his 'fiancé'.
"And I'm Jim. Jim Kirk. And now I've got to go. Daddy is here to take me home, but I'll see you tomorrow." He was gone so fast that Spock had no chance to say that he would be on his way home tomorrow.