An English lesson in life....................On his 66th birthday, a man got a gift certificate from his wife. The certificate paid for a visit to a medicine man living on a nearby reservation who was rumored to have a wonderful cure for erectile dysfunction. After being persuaded, he drove to the reservation, handed the ticket to the medicine man and wondered what would happen next.The old man slowly, methodically produced a potion, handed it to him, and with a grip on his shoulder, warned, "This...