"I did. For a while. But I didn't see a point in staying smoke free." Once you left, he finished in his head. He had quit for her. Tried to really make a go of it, but when she left, he saw no point. He liked it and he wasn't going to lose all his favorite things.
Maybe she meant to hurt him, maybe she didn't. But when she said that he had rubbed off on her he flinched a little. The last thing he wanted was for her to be like him. Crusty and angry, making everyone around him miserable. "That's idiotic, obviously Fury has no idea you need saving from time to time," his attempt at covering his feelings went too far and he felt like an idiot.
"No. I've had enough of that on past missions. I like to get the job done and not have to save the bloody damsel who puts herself in distress," he snarked. Pete coulsn't seem to stop himself, he opened his mouth and the words just fell out.