The other day I was trying to teach Christopher how to close his lips around the spoon before pulling it out of his mouth, and I said:
You put a little food in your spoon, you put it in your mouth, close your lips, and whoosh!!! (pull it out)
And he made me laugh! Without even looking at what I had done, he filled his spoon and said, WHOOSH!!!--- totally believing that he was doing it right!
Tim and I laughed so hard.