"I know it's true," Logan says, inviting her to come close and inspect the thick band of adamantium wrapped around his neck. "It was flush up against my skin before I kissed you. It loosened a little after. It only snapped after I tried to take the goddamn thing off. It knows."

He doesn't reach out and touch Jean's collar, he doesn't want to risk it, but he imagines hers is a little looser too.