Jack could have been Jacqueline, and Jacqueline could have been a cute little French girl who was in town visiting. Perhaps a flight attendant with a long layover. Tony could have thought of any number of reasons as to why a woman's name was Jack, but there was very little he could do with the 'his' bit of the statement aside from raise a solitary eyebrow and stare at Ianto. "His name?" He knew about the East Village, of course. He even had associates who liked to travel down town and slum, but they went for the women and the drugs. He didn't know anyone who'd ever openly admitted to participating in any of the other, more sordid, activities that went on down there.
"You're trying to tell me you're--" Hell, what was the nice word for it these days? "You're doing that with a man named Jack? What the hell's wrong with the women where you come from?"
Because why else would anyone choose that? Tony shook his head. He was going to make sure that Ianto met Francine at some point in the very near future.
The news was such that he finished the rest of his whiskey in one gulp. "You're entirely serious?"