He rolls his eyes at Jack. "Oh, really Jack." He gives Rose a look of worry. "Why not? I mean, Ianto is perfectly...he's quite handsome, actually, and there's history, even if I don't remember, and the chemistry is still there, obviously." He takes a breath. "Rose, this doesn't mean...you know I love you. Forever, I promised. But I can't just pretend I don't feel anything for Jack and Ianto, when I do."