My friend Jones isn't a very practical person.
Driving along a main road at one dark night he suddenly had a flat tyre.
Even worse, he discovered that he did not have a spare wheel in the back of his car! Jones waved to passing cars and lorries, but not one of them stopped.
Half an hour passed and he was almost in despair.
At last he waved to a car just like his own.
To his surprise, the car actually stopped and a well-dressed young woman got out.
Jones was terribly disappointed. How could a person like this possibly help him ? The lady, however, offered him her own spare wheel, but Jones had to explain that he had never changed a wheel in his life!
She set to work at once and fitted the wheel in a few minutes while Jones looked on in admiration.