Self-concept is a tricky subject. There are many interpretations as to how to best achieve a harmony within the self. Here is one that is simple, yet deep, that may help you to self-actualize and achieve your goals with the full cooperation of that person who keeps getting in your way.
Did you know there were three of you? Open your mind and let theory sink it. We think you will like it. You are three people and each of them is important to the whole. So open your mind and try digesting the following concept. You are three people. Who you are, Who you were, and Who you will BE.
You are walking a balance between your past and your potential. This means that the things you have learned and the things that you are currently learning make you an as-yet unsolved equation of what was and what you will be. It is important not to look too far ahead and not too look too far behind. You must live in the now and nurture the skills that the person you are becoming is going to possess.