Bilateral Thinking Puzzles

Q: A man rode into town on Friday. He stayed for three nights and then left on Friday. How come?

A: He and a number of other passengers were making a balloon trip in a desperate attempt to flee a country. They drew matches to see who should jump.

Another

This is another thing that seemed funnier a third of the way into writing it, from the Surrealist. 19th August 2005.