You must exercise, you must push yourself, you won't gain any ground unless you push your body beyond it's limit and keep pushing it until you mold it into the body you have always dreamed of.
But many sedentary people push beyond their intrinsic range when they try to exercise too quickly or intensely, which can make them hate the activity and want to stop, says Dr. Ekkekakis.
For an ad person who strives to challenge conventions and champions innovation, creativity becomes an exercise in finding small gaps and cracks that enable one to push the envelope.