I'm a liar

Why do I always lie to myself? I let myself believe I'm someone I'm not. I let myself believe things will work out, even when I know it's not best for me. I hate when I want something so badly, I lie to myself and try to change who I know I am to fit into the mold of what I want to be. I try to force things to work, to fit. I need to realize that I'm a puzzle-piece. I'm unique. I can't fit everywhere...just in one spot.