He does smile more easily here than he did at home. It's probably because he's happier in this place than he ever was there, and most of that happiness is thanks to Jack. It's nice to be back here, but he won't miss it when he wakes up in the morning. What they have now is better.
He turns around obediently at the gesture, clearing a space on the desk in front of him while he does. Even if it doesn't matter in this dream he still doesn't want papers swept on the floor. Aside from that he waits for instructions, not bending over just yet, not until he's told to.