He'd been leaning against the doorframe, just listening. He hadn't expected Jack to have such an incredible singing voice. He hadn't given the matter any thought, in fact, but... it was nice. And the picture of him, with his darling little treasure in his arms, made his hearts sing. It was just so... beautiful. Amaryllis herself was enough to make him feel all muddled and dopey, and to add in Jack... well. He wasn't going to be able to think clearly for quite some time.
He rubbed the back of his neck, smiling tenderly. "Never knew that song could sound good," he murmured.