"Then how am I supposed to know what you're comfortable with?" Jon definitely sounds petulant, though that doesn't stop him from exploring Martin's jaw with his fingertips, getting more confident with it now that Martin gave him the okay. He probably looks ridiculous, like learning the line of Martin's jaw was something worth a close study, but hey, to him it was.

He glances back over after a moment, as if remembering to be embarrassed. "I just... don't want to cross a line. I've never- well, obviously it's new to me." The newest. He frowns slightly, remembering Martin's earlier mood as he pulls his hand up to brush at Martin's hairline. "I don't want to upset you."