your brain and starting a new behaviour

 Twelve months after making a good resolution, success rates are only around 10-15%. And this does not surprise Dr. Bernard Anselem, researcher in neuropsychology on the regulation of emotions and author of the book These emotions which direct us" (ed. Alpen)  : "Our brain must constantly save energy by seeking the least expensive strategy . However, starting a new behaviour requires much more energy

 from the brain than maintaining a habit