Remember, your goal should be SMART (Specific, Measurable, Attainable, Relevant/Realistic and Time-bound). Your goal should be the answer to following question:
Take your time to think it through.
Once you have this sorted out, but before you move on to set the smaller goals, answer 2 more questions. The answer should flow from your heart, so be brutally honest. This is for you, only your deepest motivation will be powerful enough for this question to be helpful.