A father brought his son into the doctor because the boy had a matchbox car shoved up his nose. All the while the doctor was trying to remove the car, the father kept saying, "I just don't know how he did it!"©JOKEDEMO.COM

Finally the doctor managed to remove the little car, and the father and son left.©JOKEDEMO.COM

A few hours later, the father came back with the matchbox shoved up HIS nose. He told the doctor, "Now I know how he did it!"