1. It managed to run for ten seasons without getting boring.
2. It had non-stop funniness in every episode.
3. When the last episode ended anda wanted to cry.
4. anda feel like you're one of them.
5. They're not always predictable, unlike some other shows.
6. There's so many different ideas.
7. Their chemistry is GREAT.
8. anda think you're going to die laughing at it.
9. anda don't care how many times you've already seen each episode.
10. It can be extremely like real life.
This is only ten I can think of many more...