请提供几个经典的英文笑话！

1.Henry and Mary had just got married, and everybody was enjoying their wedding party. There was plenty to eat and plenty to drink, and everybody was getting very merry, when a very thin, very young man came into the room. He looked at Mary sadly and accusingly, walked slowly towards her, kissed her lovingly and said, 'Why did you do it?'
Then he walked to the door and disappeared.
Nobody had ever seen the young man before--not even Mary.
2.Some of Nasreddin's old friends were talking about the young people in their town. They all agreed that old people were wiser than young people. Then one of the old men said, 'But young men are stronger than old men.'
All of them agreed that this was true, except Nasreddin. He said, 'No. I am as strong now as when I was a young man.'
'What do you mean?' said his friends. 'How is that possible? Explain yourself!'
'Well,' said Nasreddin, 'in one