As Kirk held on to the metal bar on the ceiling, he hoped he knew what he was doing, that this was a brave sacrifice and not a foolish failed attempt to protect others. The irony wasn’t lost on him that he had seen this same sacrifice in the other Spock’s mind, that the same thing had happened in both their timelines, but this time he was the one that had the chance to save everyone. At that moment, he didn’t care if this meant his certain death, as long as he could keep the rest of the ship safe.