What's a burning desire?

"A burning desire to be fit doesn't mean flexing your muscles, stiffening your spine and trying to physically force your goal to become a reality. A burning desire is a lot like the story of the burning bush in Genesis. The bush is on fire but the fire does not consume the bush. And so it is with YOU. You have a desire to be fit that burns of its own accord, without effort or struggle because you pictured what you wanted with so much enthusiasm that the desire has taken on a life of its own. You wanted it. Now it wants you. You pursue your desire through a plan that you put into action - and you continue to persevere even when all appears hopeless."

Matt Furey