Jack still wasn't at the point of thinking of Rose as a Torchwood operative. She would, forever in his mind, be the Doctor's companion. Just as Jack would always count himself among those ranks. Torchwood would always come after the Doctor and his needs because the Doctor left some strange tint on those who travelled with him.
"I..." Jack bit his lower lip and nodded ever so slightly. "Yes, he was one of the few who survived the battle. I honestly don't know how he did and it's nothing I've ever asked him about either." Jack drew in a breath before finally offering information. "His name's Ianto Jones." The problem wasn't Rose's inquisitiveness, it was Jack's reluctance to talk about anything in regards to his life. "I'll tell you what, I'll tell you what's going on if you'll tell me why my entire gender sucks."
Jack sighed, picking up a piece of popcorn and tore it apart with his fingers, tossing the tiny pieces into his mouth. "Yes, I knew him and was shagging him. But, apparently we've managed to show up from two completely different time periods. In his, we haven't." And therein was the rub.