An American tourist went into a restaurant in Mexico for dinner, and asked to be served the specialty of the house. When the dish arrived, he asked what kind of meat it contained. 'Sir, these are the cojones,' the waiter replied. 'The what, you say?' exclaimed the tourist. 'They are testicles of the bull killed in the ring today,' explained the waiter. The tourist gulped, but tasted the dish anyway, and found it delicious. Returning the following evening, he asked for the same dish. After he finished the meal,the tourist commented to the waiter: 'Today's cojones aremuch smaller than the ones I had yesterday.' 'True, sir,' said the waiter, 'you see the bull does not always lose...'