[ Spoiler: it's that second part. Eunsoo is a helper, especially when it comes to humans. The fact that this is the one he's been waiting for for over a thousand years is just a bonus motivation. He looks down at the bundle in his arms and tips his head curiously. ]

You're not the one who needs help? Could have fooled me.

[ The elevator stops on his floor and he steps off, humming faintly to himself as he carries the man down the short distance to his door. He pauses for a brief moment, wondering briefly how he's going to get his key out without putting the man down, but eventually he had to suck it up. ]

I'm going to put you down so I can unlock the door. Don't try to run, I can tell you right now I'm faster. Especially in your condition.

[ So he sets him down as gently as possible and stands again to dig out his key and unlock the door. ]