How Many Is Too Many is too many drinks ?

As he stood at the bar for the first time with his son the proud father said, "Now is as good of time to talk about some of the facts of life. Remember. a man that drinks beyond his capacity is no gentleman. To enjoy life you must observe a happy medium. Have a drink occasionally, but never, never, never get drunk."

"Yes sir," replied his dutiful son, "but how am I to know when I am drunk?"

"Well, you see those two men over there in the corner?" said the father. "If you were to see four men, you'd know you were drunk."

"Dad, let me have the keys," grinned the son. "There's only one guy over there."