1. Logic 3

2. http://farm1.static.flickr.com/96/208471456_62060ee293.jpg This is a macaque monkey.

3. In the wild, macaques have natural enemies such as snakes, eagles and leaopards. In captivity, for example in a zoo, they have no natural enemies. Sometimes they get nervous and invent enemies. They imagine that their own leg or foot is an enemy and they attack it from time to time.

4. This is called Self-Fighting Syndrome.

5. This was Paco's rubber.

6. It was a good rubber that Paco could use to make changes to his work. Then Paco decided to make an enemy of his rubber.

7. This is Paco's rubber now.

8. He can not use it to make changes to his work now.

9. Instead he has to ask other people for a rubber and wait to see if they say yes or no.

10. Clara made an enemy out of her English course book.

13. Now when the teacher asks her to read paragraph A, she can not do it. She has made her own life more difficult.

14. You will have many enemies in life but your pens, pencils, books and teachers are not your real enemies.

15. Destroying the things around you because you're feeling bored or nervous…

16. …makes your life more frustrating in the end.