You and Keegan were going on mission, he said "give me clips with such cartridges" and showed you the clip. You were confused and looked at two clips with incendiary and tracer cartridges, the red and green tips looked the same green to you. He looked at you with incomprehension "So that's why you notice people in camouflage better than I do," he approaches, taking the cartridges with red tips, "I'm sorry, I didn't know" he didn't want to hurt you earlier, but he guessed that you were colorblind