No, he didn't hit anybody, today. He's just been peeping on others in the restroom, and burping in others' faces. Yes, he has had it explained to him that this behavior is not okay. No, it hasn't sunk in.
I think somebody is going to be spending his evening in the kitchen, between the fridge and the end of the cabinets, facing the wall. Silent, and bored. No toys, no books.
2 hours ago