[Not knowing that she has company, Jack has no qualms sticking around her door, waiting for her to let him in (not that he would even if he did know)]

You okay? Haven't seen you in a few days. Haven't worked yourself into the ground, have you? You get Ianto to brew you any industrial strength coffee since the lights have been back on? [He doesn't know, he's been off invading the bridge himself. He's got a lot to tell her about that. It can wait until they don't have company, though]