At the front of the line

So life is full of ups and downs. Always has been, always will be. I just seem to be addicted to this cycle more than I want to be. This morning I am poised at the top of the coaster, just after the cars have been pulled up from the start, waiting to see how this ride will go from here. But this is an interactive roller coaster. I create it as I ride - how high, how many twists and turns, and when the ride is over. If only I knew where the controls were....