If you feel fine and lack of energy isn't an issue, it's okay to workout without eating. It's really a personal preference. Some people (like me) need to eat before a morning workout, but for others, it makes them feel sick. So do what works best for you.
"You may have a fresh start any moment you choose, for this thing that we call "failure" is not the falling down but the staying down." Mary Pickford
"No matter how slow you go, you are still lapping everybody on the couch."