If the person you are talking to doesn't appear to be listening, be patient. It may simply be that he has a small piece of fluff in his ear.
A. A. MilneOn Monday, when the sun is hot, I wonder to myself a lot. Now is it true, or is it not, that what is which and which is what?
A. A. MilneOh, Eeyore, you are wet!” said Piglet, feeling him. Eeyore shook himself, and asked somebody to explain to Piglet what happened when you had been inside a river for quite a long time.
A. A. Milne