Fear fuels failure.
If you allow fear to stop you - you fail.
We are all motivated by something.
Of course!. . . this is a loaded question.
Lots of 'things' and 'stuff' getting in the way -
Did you know that you could write the screenplay for the rest of your life?
Think about your energy level behind the thoughts you have for what you want in your life as opposed to your energy behind what you do not want?
How many of your thoughts are you aware of?
What are you most likely going to do today - something different or something habitual?