It was the mention of Spock that did it. Jim'd had that on the back burner all this time, a quiet, angry simmer. Kyle and Clara both helped, and Bones in his own way and Chekov in his, but none of it changed the fact that Spock was gone.

His hands were shaking. Pure anger. Distantly, he could acknowledge that this was a bad idea. But right now, he didn't care. He swung at Khan, no telegraphing or projecting, wanting very much to just punch him in the goddamned throat.