I wrote a book entitled 'Why We Fail'. 

You can find it here:  theotherdavidallen.com

I have maintained for a very long time that people fail to achieve their goals for one of four reasons, leaving out elements beyond their control.

1.   They really didn’t want it that bad after all.

2.   They didn’t think they deserved it.

3.   They weren’t willing to do what was required to attain it.

4.   Or, they didn’t break the thing down into small bite-sized pieces.