Deciding what you would like to do is one thing, but having the willpower to actually do it is another.
Category: Willpower
Willpower is the ability to delay gratification, and overcome short-term temptations, like unwanted thoughts or impulses, in order to meet long term goals.
Willpower and Success
Success is never guaranteed, and in the absence of having the necessary willpower, you will surely be lowering your chances.
A Key to Success: Self-discipline
Success in life requires the development and exercise of self-discipline. Self-discipline is the ability to do what you need to or are obliged to do, whether you feel like it or not.