I can watch you drink water as you sober up. You're way past your limit.

[ Which that puddle in front of his door indicates.

Kakashi carefully steps past it again and then opens his own door, since it's not exactly tenable to keep an eye on Iruka if he were to just send him home. Keeping an eye on him at his own apartment makes more sense, at least until Iruka passes out or falls asleep. ]

We can either do this the easy way, or we can do this the hard way, Iruka-sensei. Your choice.

[ The hard way might or might not involve Sharingan.

Kakashi ushers Iruka inside, and closes the door, making sure to block Iruka's access to the bag on the floor with his body. ]