USE "IF THIS, THEN THAT' PRE - COMMITMENTS
Until you have a habit in place, pre-commitments help you complete tasks while minimizing the willpower costs.
The way it works is simple: just create a rule in your head, saying "when this happens, I will do this thing." For example, "when I wake up, I'll immediately put on my clothes and go to the gym."
Rules like this make it much easier to overcome willpower challenges, since telling yourself "when this happens, I'll do this" takes less mental energy. Plus, when the first thing happens, you'll be inclined to keep to your word since psychologically we hate to go back on our word.
So when you need to do something that you know you'll have a hard time getting yourself to do, just chain it to something else—it will make getting started much easier.