Meditation is what i would start you off with.
The best way that we can create that change is to change our thoughts from being negative to positive. The positive discovery about meditation is that we are focusing within our self and becoming free of negativity. Meditation techniques simply involve a process of transforming yourself, your thoughts, and recognizing the negative thoughts, and changing them into positive and peaceful thoughts.
Try this chant as you breathe deep and exhale.
Open my minds eye so I may see and feel Your shinning light presence close to me.
Give me inner strength for my stumbling feet as I battle the crowd on life's busy street.
And widen the vision of my unseeing minds eye so in passing faces I'll recognize not just a stranger, unloved, and unknown, but a friend with a heart and soul that is much like my own.
read the basics on the forum to help you since you are a beginner.