The car stopped, and Kate got out holding Bastien’s hand. They walked through a craft fair by the sea. Whatever caught Kate’s eye, Bastien bought it, and Lucca carried it. One thing caught her special attention: a small coral keychain. It was a matching set—one black and one white—that joined together to form a single piece.

—"Look, Bastien. How pretty," she said.

Bastien didn’t hesitate. He bought it, immediately clipped the black one to the car keys, and handed the white one to Kate.

—"I supp