Earlier this year I heard that question in a webinar (I think it was with John Assaraf) and it can transform life. There is a big difference between interested and committed. Interested, you like the idea, you know it may be good for you and so on, and you are unsure if you want it or not.
Committed means you want it and you are going to make it happen.
So, what is it that you are committed to?