To create great characters, writers need to understand their own thoughts and feelings first.
We all share the same crucial human experiences. Each of us is suffering and enjoying, dreaming and hoping of getting through our days with something of value. As a writer, you can be certain that everyone coming down the street toward you, each in his own way, is having the same fundamental human thoughts and feelings that you are. This is why when you ask yourself, “If I were this character in these circumstances, what would I do?” The honest answer is always correct. You would do the human thing. Therefore, the more you penetrate the mysteries of your own humanity, the more you come to understand yourself, the more you are able to understand others.
Often many people we meet in our daily lives seem to have it all. They seem happy. They look satisfied with their lives. You’ve probably had the experience of walking down the street when you’re having a particularly bad day, and you’ve looked around and thought, “Why can’t I just be happy like everyone around me? They don’t suffer from chronic panic (or depression, or a substance abuse problem). They don’t feel as if a dark cloud is always looming over their heads. They don’t suffer the way I suffer. Why can’t I be like them?”
Here’s the secret: They do and you are. We all have pain. All human beings, if they live long enough, have felt or will feel the devastation of losing someone they love. Every single person has felt or will feel physical pain. Everybody has felt sadness, shame, anxiety, fear, and loss. We all have memories that are embarrassing, humiliating, or shameful. We all carry painful hidden secrets. We tend to put on shiny, happy faces, pretending that everything is okay, and that life is “all good.” But it isn’t and it can’t be. To be human is to feel pain in ways that are orders of magnitude more pervasive than what the other creatures on planet Earth feel.
Steven C. Hayes and Spencer Smith. Get Out of Your Mind and Into Your Life: The New Acceptance and Commitment Therapy.