Sometimes we fail in achieving our goals because of fear. We are afraid to get to the next level or take a major decision.
The simplest way to overcome this is to make a commitment and start doing the things you fear.
Believe it or not, but doing things that you have never done before will bring a lot of positive emotions in your life, if you have the right attitude of course.
And this is exactly what you need in order to change it, little by little, each and every day.