Rose reached out a hand to touch his, just enjoying knowing that Jack really was still alive, still living. "Just keep living, not merely existing. If I keep a memory of this place when I leave, that'll be enough, because I'll know you're living. And it'll help." She shrugged, grinning, tongue between her teeth. "Maybe I'll even find a way to get back some day. Impossible just means we haven't found a way around it yet, right?"