When you're trying to motivate yourself, appreciate the fact that you're even thinking about making a change. And as you move forward, allow yourself to be good enough. Perfectionism can undo what you're trying to achieve.
Change Your Perception: Thinking of life as unfair is only one perception, and it is not necessarily the way your life is. Realize that while you cannot control the things that happen to you, you can control how you react to them.