Lydia + Jack
"Well, I have an Ianto at home," he explained. "But if I can manage to charm my way into someone's pants tonight, I won't complain." He grinned a bit at Lydia. "Though I'm leaning more toward having a few drinks here, then heading back to the TARDIS to have my way with Ianto."
At least he was being honest. He was never one to deny his relationship, it all depended on if the person in question minded Jack having a boyfriend.
"What about you?" he asked. "Solely working tonight?"