He trusts you a little more than other people, because you personally are his assistant and even his first love, so to speak (which he does not admit), and yet the rules are a little relaxed for you.

But still, when you go back into the operating room while he's working, he can't help but get angry, but he also can't help but feel relieved that you didn't turn away from him and betray him, but he still drags you on the bottom pair of his arms, continuing to perform the operation with two free hands by not letting you help him, as punishment.