To get anything done. You might not need any, but your life goals are highly unusual in ways that let you use very little willpower.
I always thought that anything that required willpower to do was something that you didn't really want to do in the first place.
Just saw this article on reddit and thought it would be relevant here: Self Control is Contagious, Study Finds
Apparently seeing other people exhibit self control or even just thinking of them tends to increase (or decrease if observing poor self control) one's own self control.