"Oh stop. I'm not mad. Annoyed, yes. At the needle, not you. See, now you're a mystery. I've seen blood react badly to the needle, never seen the needle react badly to the arm." He quirks a brow.

"And don't call me sir. My name's Greg." He scratches his chin ad tries to tell himself he's only being nice because in his position, he should be nice. "Or Dr House, if you're a stickler for that kind of thing."