I was playing with my friend's dog who liked to bring you sticks. I asked him to bring my a stick, and when he did, I just as a joke said, "no, silly, not that

I was playing with my friend's dog who liked to bring you sticks. I asked him to bring my a stick, and when he did, I just as a joke said, "no, silly, not that stick, the one by your ball." and was absolutely shocked when he dropped the stick and went and retrieved the one by the ball.