Lydia + Jack
"I'm not from Wales originally," he said. "But I've spent a good portion of time there. It's where the branch of Torchwood was. Where I worked." He offered her a small smile as he spoke.
He noted the smile his compliment had gotten, and made a note to compliment her again. Which he did shortly. "You have a lovely smile," he said, grinning. "Its lovely to meet you, Lydia. I'm Jack Harkness."