No body can be taught common sense. The remainder is just arithmetic, like addition and subtraction. You have two apples, you eat one. How many apples remain?

No body can be taught common sense. The remainder is just arithmetic, like addition and subtraction. You have two apples, you eat one. How many apples remain? The part about delayed gratification is pure psychology. And its just personal training. I'm not from the US, I am Indian, these problems are universal. Most people can't handle freedom, that is all there is to it.