One favourite saying of mine is - where your focus is, there is your energy. In other words, if you focus on your goals, your energy will follow.
I have just read this post which suggests that instead of asking "what" as in "what am I going to do next" you ask "why" as in "why am I doing this instead of that". By refocusing your energy to ask why you are doing something you can make better choices to achieve your goals.