... What if I can't do an exercise? ... What if I get sick? ... What if I only have 20 minutes? ... What if I get off track?
Life gets busy. Obstacles come up. You won't be "perfect" with your workout routine.
Do whatever you can, whenever you can do it, in any way possible. Just keep moving.
There is no "track" to get off of. There is only right now. Today.
So the question becomes: What CAN you do right now to get moving?
START WHEREVER YOU ARE!
USE WHATEVER YOU HAVE!
DO WHATEVER YOU CAN!