The root of so many addictive behaviours is anxiety and stress. Working through these layers to find the root triggers is a surefire way to cool and settle these addictive behaviours. Along with coping plans, and sensitive talk therapy.
Using very relaxing methods, you will allow your subconscious mind to step in and help you, setting up strong and powerful new pathways of resistance. With the support of your therapist you are giving yourself the best opportunity to succeed.