1. Do what they want, when they want.
2. Rarely listen to you.
3. Are totally unpredictable.
4. Whine when they are not happy.
5. Want to be left alone when you want to play.
6. Want to play when you want to be left alone.
7. Expect you to cater to their every whim.
8. Are moody.
9. Leave their hair everywhere.
10. Drive you nuts.
Conclusion: Cats are little tiny women in cheap fur coats.