Life is like a box of ...

Life is like a box of matches sitting next to the fireplace. You never know which spark will do it, but you are certain one will get the job done. What's more, is that you don't want to move the matches but you are sitting ready with the poker to push the blazing box into the fire.
I sit & I watch, waiting to the fire to spread. Hoping there will be a show l owing full well that I'm being stupid and I aught to knock it off.