One of the things that I have been guilty of in the past is working out and then do nothing. My lethargy was justified.
Reading through the Olga sprinter book, the research is saying that isn't the correct way. It's small movement, constant fidgeting, up and down throughout the day. These continuous motions are what add up to better health, not just one bought of exercise.
Put your clothes on standing up.
Do something active throughout the TV show. Watch TV on the ground.
Go for walks even on days you work out.
Go up and down stairs when you can.
Think motion. Bodies in motion, tend to stay in motion.
Stay in Motion.