An oldest man who lives in his area had just celebrated （庆祝）his hundredth birthday and a reporter of a certain newspaper called on him. After he congratulated（恭贺）the old fellow, the reporter asked him a few questions.
How are you able to live so many years？
The man thought a while and then, holding up his hand and count ing on his fingers, began, I never smoked, never drank or ate too much, and i always rise at six in the morning. " But, the reporter didn't agree, saying"I had an uncle who acted in that way, yet he only lived to be eighty. How do you explain that？
He didn't keep it up long enough. " was the reply.