I have been very happy, very rich, very beautiful, much adulated, very famous and very unhappy.
If you have love in your life, it can make up for a great many things that are missing. If you don't have love in your life, no matter what else there is, it's not enough.
One has to be able to twist and change and distort characters, play with them like clay, so everything fits together. Real people don't permit you to do that.