“He’d meant what he said, that he believed Libby Rhodes to be present in every theoretical universe of his existence; to be a person of great significance in every single one. It was too familiar, too traceable. Too many places their lives would have collided, a web of unavoidable consequences where coincidence dressed up like fate. Within it, Nico truly believed all their other outcomes ricocheted, but eventually returned. Other lives, other existences, it didn’t matter. They were polarities, and wherever they went, his half would always find hers.”