Most Helpful Guy
He probably doesn't want you to think that you're moving in.
Or, depending on how the laws are in your area, he's making sure that you can't pull some bullshit of saying you're "common law married" and take half of his life.
Or maybe he just wants to make sure you don't forget something you might need.0
Most Helpful Girl
Because maybe his last girl left a bunch of useless junk at his place when they broke up and he doesn't want to deal with it ever again or maybe he simply doesn't want your stuff sitting around with no where to go! :)0