Everything you want in the future has to be worked for today. You have to lay the groundwork. Your day-to-day actions define your future accomplishments!
The river of time is pushing us forward, every day. We should be riding the waves as we gaze downstream, not fighting the current and trying to stay afloat.
You can think of the time machine exercise as an investment exercise or a gardening exercise. What are you investing in that will pay dividends in the future? What seeds are you planting now that you will harvest down the road?