Jack tilts his head, watching Ianto out of the corner of his eye. It's a look Ianto has probably not had much occasion to be on the receiving end of. Very calculating.

"Ms. Sandric," Jack says. "You know, the last time a version of you was in this universe, he was on the verge of retconning himself and leaving Torchwood to work for her. I can't say I'm surprised she's expressing an interest in you now. Especially if she assumes she can get an in on Torchwood with it."

That's a rather larger "if" than Ianto might be allowing for.