The words he knows are: ball, dog, bowl, water, flower, monkey, and kiss. These are really fun words to make sentences with.
If I hurt his feelings he screws up his face and juts out his lower lip, takes a few shuddering breaths, and then shakes quietly until I come over and kiss him, at which point all is instantly forgiven.
He put himself to sleep tonight by pulling the bedding as far out of the closet as it would go and collapsing into it. Sometimes when he is sleeping, he giggles.