A Wise Man once said: "Do it with Passion, or don't do it at all". And fortunately, that is the way Life works. As one graduate from one phase of Life to another, we have to understand that Passion helps us through in climbing those mountains which are heavier than our capacity. WIthout Passion, Frustration sets in to live in one's Heart. So if you are choosing a path to follow in Life, you gotta a path that your Passion craves for. Passion is one thing that would help you in getting things done well, even the feeling isn't prominent.
There is absolutely not a single person without something they crave for. It varies in individuality. One just needs to sit carefully to analyze and know if that passion is worth been pursued till the stage of Excellence.