Read this. http://www.cracked.com/blog/5-reasons-your-new-years-resolution-going-to-fail/
TL;DR
5 Reasons Your New Year's Resolution Is Going to Fail
#5. Setting Vague Goals
#4. Trapping Other People in Your Resolution
#3. Not Doing the Homework First
#2. Going Balls to the Wall
#1. Failing to Know Yourself
