"Sea glass." He took it from her then took her hand and helped her to her feet.
"Sea...glass?" She took it back, her wonder showing in her eyes, and tucked some wayward strands of hair behind her ear before the brackish breeze blew across the surf, grabbing it again.
He nodded. "Sure. You know, bottles and other glass end up in the ocean, they break, and then the broken pieces tumble in the waves and pound against the sand until the shards are perfectly polished, and they wash up like this"--he wrapped his around hers and the marble--"beautifully renewed, as though they never broke at all."
She glanced at him and smiled. "Just the way your love restored my heart."