Spock met Jim when he was 7 and Jim was 6. It has since been generally agreed that this was a mistake (or: the one where they grow up together and things are simultaneously better and worse for it).

Your name is Dave Strider and your universe is DEAD. You have to find a safe place for your nubby-horned, alien companion in the DEPTHS OF SPACE. Under normal circumstances, you would be deader than your old universe, but you're no longer a MERE HUMAN, having ascended to god tier. The troll has not, but it helps that you hitch a ride on a FANCY SPACESHIP. All you need to do is find your MISSING FRIENDS and you are golden. >>AU after the scratch. USS Enterprise [UE] began texting turntechGodhead [TG] at ??? UE: Hello. This is Captain James T. Kirk of the starship USS Enterprise. We are on a peaceful mission of exploration. UE: My communications officer picked up an odd signal from this location. Can we offer any assistance? --Now with FANART--

Sometimes the other Vulcans wonder how Spock managed to obtain such an exotic bondmate, and sometimes Spock wonders himself.