I think your thinking is very good for this. Everyone is the same but there are different from the side of each view. As long as we live must have different circumstances also with others. Reality of one's life we ​​see the same, but the burden of life is different. The heavier the burden of a person's life the more different the ions will come out, that is, for example. Thank you @alexbeyman for sharing my knowledge which is very useful for me.