I believe in setting goals and not resolutions for the New Year. Resolutions are easily broken, but a goal can be maintained for a long period of time even if you have setbacks.
My goal for 2015 is to eat clean maintaining a well balance diabetic friendly carbohydrate counting diet. Another goal is to compete in several figure competitions in 2015.
I create a daily eating plan and exercise regimen. I leave it in my kitchen so it is readily available and I have all of my chosen foods prepared in advance for the day. I also determine a time I will be going to the gym. Although there are many times I can find an excuse not to go, this is when I force myself to follow my daily plan. Once you do not follow through with what works best, I find that it's easier to not keep my goal in mind.
My motto is always say I can and not I can't. When I tell myself I can, I follow through giving myself the confidence I need.