Ianto raises his eyebrows at the other man at that threat. Oh really, we're lowering ourselves to threats now? After you were the one to invite him to this table and everything? He's being so careful with what he's saying and everything, since he hasn't got a clue what John has told her about himself. It's not really his place to spill the beans about John's job, after all.

"I would have thought it's rather a hazard of the job, being a pilot," Ianto replies, glancing between the pair of them -- watch it, John, if you don't like them talking about you maybe you could actually answer your own questions for a change, there's a novel idea.