What Makes You Want to Live a Life of Passion?

"There's NO trying, just Do or do NOT".  -Motherhood (movie)

I often ask people what is the first thing you think of when you wake up in the morning.  For some it's getting up so they can go to work and that's it, for others it's a painting that they've imagined in their mind, but just not have had the guts to put brush to canvas.  Sometimes I feel that with every experience we have and for each new thought that we've embraced; our "passion" is being created.  It's that driving force that keeps us finding ways to do more than just tread water.  That little image in our minds of how our finish line looks is what helps us to really LIVE instead of just moping around complaining and wishing things would just change.  I feel that even with insurmountable amount of passion about something, a thought isn't much of anything without an action (or series of actions) behind it.  So besides the whole "working to live and living to work", what is it that sparks that little fire in your belly?  What is that thing that stirs up those old butterflies you used to feel when you were younger laying in the grass staring up into the clouds saying, "When I grow up I want to be.."