"Sounds like you met a different Ianto to the one I did." Because no matter how much Ianto had slid around questions, Jack was pretty sure that her knew more than he'd been saying - and Ianto was one of the ones who'd been back and forth.
Though, Christ, if he'd been able to ask the Doctor's advice and help when he'd been pregnant..."More than one version of the Doctor, too. Met any yet?"