Stark had managed not to catch anything, even while spending time kneeling in the snow without a coat to tend to a dying man. Maybe Baniks didn't get colds.

"I could," he said, hesitating just a moment before answering. "If you're sure you want me to?"

He wanted to follow. He wanted to talk. He wanted to make sure she wasn't going to disappear again when he wasn't looking. He was just feeling unsure about everything at the moment.