Why do human being want to fight? Why do human being stop war. I think that human being have no learning function.

Why do human being want to compare one with others?

The grass is always greener on the other side of the fence.
The apples on the other side of the wall are the sweetest.
The next lawn is blue.
The husband on the other side of the wall is better-looking.
The wife on the other side of the wall is the cutest.

I'm who I am. I'm not anyone else. You’re who you are. You’re not anyone else.

Don't want others possessions. Don’t want anything belonging to others.