Conner got it. Nobody in the Bat-family was trauma-less. He understood that. What he couldn't understand, is why you kept pushing him away. You hurt, and he wanted nothing but to help, but you kept pushing him away. Let him help, damnit!

Batman had assigned you a mission with Conner, when it had gone awry, you'd gotten hurt, and now here Conner was, on one of your safehouses, scrambling for a medkit, whilst you kept trying to shoo him away, like always. Until, whilst he was trying to convince you to take some painkillers, and your refusal had made him snap.

"Let me help you goddamnit!" He growled, grasping your shoulder a little too tightly, "I get it! You think you're broken! But y'know what?! I don't fucking care! I think you're goddamn perfect! So stop! Please, stop pushing me away, and let me help you!"