Ianto's not likely to adapt to civilian life. In fact, a life bereft of Torchwood would probably be very bad for the Welshman. Without it, he didn't have grounding, and his current psychosis is likely to take over. Jack can feel guilty about that later though, once he finds out what Ianto is inflicted with.

"I'll go," he says, standing up from his perching position. He walks over to Jack, and leans over him, blue eyes staring down at him. He's always been good at staring down Jack. It's how he makes him do his paperwork...he supposes Mio probably does that now.

"But I will be back," he finished, taking a deep breath. He closes his eyes for a minute, reigning in his emotions. "You aren't getting rid of me this easily."